SBI Clerk 2020: Prelims Question Paper Solutions | SBI Clerk Mock Test Series & Past Year Papers 2024 - Bank Exams PDF Download

 Page 1


 
  
  
 
SBI Clerk Prelims 2020 – Reasoning Ability (Solutions) 
 
Solutions (1-5): 
 
Designation Persons 
Chairman F 
CFO A 
GM B 
DGM C 
AGM G 
Manager D 
Junior manager  H 
Clerk E 
 
1. (b)  2. (d) 3. (c) 
 
4. (a)  5. (c) 
 
6. (b);  
   
 
7. (d);  
   
 
8. (e);  
   
 
Solutions (9-12): 
Word Code 
Club Ox 
Near Ot 
House/Located Ol/gp 
Both Mt 
Make Nk 
Area Tm 
View Sq 
 
9. (c) 
10. (d) 
11. (a) 
12. (a) 
 
Solutions (13-17):  
   
 
13. (b);  14. (c); 15. (b); 
16. (d);  17. (e); 
 
Solutions (18-20): 
   
 
18. (a);  
19. (c); 
20. (c);                
   
 
21. (b);  22. (c); 23. (d) 
 
24. (a);  25. (d); 
 
26. (c); 6  4  5  9  0  3  2  8  7 
  0  2  3  4  5  6  7  8  9 
 
27. (a); Hire, Heir 
 
Solutions (28-32): 
   
 
28. (e);  29. (d);  30. (a); 
 
31. (b);  32. (b); 
 
33. (c); I. Q > S (False)  II. S = Q (False) 
 
34. (a); I. J < Q (True)  II. L = R (False) 
 
35. (e); I. G > X (True)  II. O > M(True) 
 
Page 2


 
  
  
 
SBI Clerk Prelims 2020 – Reasoning Ability (Solutions) 
 
Solutions (1-5): 
 
Designation Persons 
Chairman F 
CFO A 
GM B 
DGM C 
AGM G 
Manager D 
Junior manager  H 
Clerk E 
 
1. (b)  2. (d) 3. (c) 
 
4. (a)  5. (c) 
 
6. (b);  
   
 
7. (d);  
   
 
8. (e);  
   
 
Solutions (9-12): 
Word Code 
Club Ox 
Near Ot 
House/Located Ol/gp 
Both Mt 
Make Nk 
Area Tm 
View Sq 
 
9. (c) 
10. (d) 
11. (a) 
12. (a) 
 
Solutions (13-17):  
   
 
13. (b);  14. (c); 15. (b); 
16. (d);  17. (e); 
 
Solutions (18-20): 
   
 
18. (a);  
19. (c); 
20. (c);                
   
 
21. (b);  22. (c); 23. (d) 
 
24. (a);  25. (d); 
 
26. (c); 6  4  5  9  0  3  2  8  7 
  0  2  3  4  5  6  7  8  9 
 
27. (a); Hire, Heir 
 
Solutions (28-32): 
   
 
28. (e);  29. (d);  30. (a); 
 
31. (b);  32. (b); 
 
33. (c); I. Q > S (False)  II. S = Q (False) 
 
34. (a); I. J < Q (True)  II. L = R (False) 
 
35. (e); I. G > X (True)  II. O > M(True) 
 
 
  
  
 
SBI Clerk Prelims 2020 – Quantitative Aptitude (Solutions) 
 
36. (d); Required average = 
450+420+450
3
 = 440 
 
37. (a); Total male participated from school – B & D 
together = 540 + 560 = 1100 
  Total female participated from school – A & C 
together = 450 + 500 = 950 
  Required difference = 1100- 950 = 150 
 
38. (d); Total male participated from school – B & C 
together = 540 + 720 = 1260 
   Total female participated from school – A & D 
together = 450 + 450 = 900 
  Required % = 
1260-900
900
× 100 = 40% 
 
39. (b); Total students participated from school F = 
140
100
× 650 + 420 ×
32
21
 
  = 910 + 640 = 1550 
 
40. (b); Total number of male students participated from 
all the five schools 
  = (650 + 540 + 720 + 560 + 680) = 3150 
 
41. (b); Pattern of series – 
   
 
42. (a); Pattern of series -  
   
43. (d); Pattern of series -   
   
 
44. (e); Pattern of series -  
   
 
45. (e); Pattern of series -  
   
 
46. (d); let total work be 360 units 
  Efficiency of 1 man = 
360
12×10
= 3 units/day 
  Efficiency of 1 woman = 
360
10×18
= 2 units/day 
  Required time = 
360
4×3+6×2
= 15 days 
 
47. (a); distance = 240 kms 
  Required speed = 
240
2.5
= 96 kmph 
  Required % = 
96-60
60
× 100 = 60% 
 
48. (b); Let 10 years ago, ages of Ram and Rahim were x 
years and 3x years, respectively.  
  Then, present age of Ram = (x + 10)  
  and present age of Rahim = (3x + 10) 
  According to the question,  
  
x+10+5
3x+10+5
=
2
3
  
  ? 3x + 45 = 6x + 30  
  ? 3x = 15 
  ? x = 5  
  Hence, required ratio =
5+10
3×5+10
  
  =
15
25
 = 3 : 5  
 
49. (b); required time = 
140+120
(132-80)×
5
18
 
  = 
260×18
52×5
 = 18 sec 
 
50. (c); let CP of book be Rs x 
  SP = Rs 1.2x 
  New CP = Rs 0.9x 
  New SP = Rs 1.2x + 90 
  ATQ, 0.9?? ×
140
100
= 1.2?? + 90 
  1.26x = 1.2x + 90 
  x = Rs 1500 
 
51. (a); I. x = 5 
  II. y = 5 
  So, x=y 
 
52. (d); I.  x
2
 + 7x – 5x – 35 =0 
   x (x + 7) – 5 (x + 7) =0 
   (x + 7) (x – 5) = 0 
   x = -7, 5 
  II.  y
2
 + 7y + 8y + 56 = 0 
   y(y + 7) + 8(y + 7) = 0 
   (y + 7) (y + 8) = 0 
   y = - 8, -7  
   So, x=y 
 
53. (a)  I.  x = ± 9 
  II.  y = ± 8 
   So, no relation can be established 
 
54. (a); I.  17x
2
 – 14x – 3 = 0 
   17x
2
 – 17x + 3x – 3 = 0 
   17x (x – 1) + 3(x – 1) = 0 
   (17x + 3) (x – 1) = 0 
   x =  -
3
17
 , 1 
  II.  y
2
 – 2y – 35 = 0 
   y
2
 – 7y + 5y – 35 = 0 
   y(y -7) + 5(?? - 7) = 0 
   y = 7, - 5 
   So, no relation can be established 
 
Page 3


 
  
  
 
SBI Clerk Prelims 2020 – Reasoning Ability (Solutions) 
 
Solutions (1-5): 
 
Designation Persons 
Chairman F 
CFO A 
GM B 
DGM C 
AGM G 
Manager D 
Junior manager  H 
Clerk E 
 
1. (b)  2. (d) 3. (c) 
 
4. (a)  5. (c) 
 
6. (b);  
   
 
7. (d);  
   
 
8. (e);  
   
 
Solutions (9-12): 
Word Code 
Club Ox 
Near Ot 
House/Located Ol/gp 
Both Mt 
Make Nk 
Area Tm 
View Sq 
 
9. (c) 
10. (d) 
11. (a) 
12. (a) 
 
Solutions (13-17):  
   
 
13. (b);  14. (c); 15. (b); 
16. (d);  17. (e); 
 
Solutions (18-20): 
   
 
18. (a);  
19. (c); 
20. (c);                
   
 
21. (b);  22. (c); 23. (d) 
 
24. (a);  25. (d); 
 
26. (c); 6  4  5  9  0  3  2  8  7 
  0  2  3  4  5  6  7  8  9 
 
27. (a); Hire, Heir 
 
Solutions (28-32): 
   
 
28. (e);  29. (d);  30. (a); 
 
31. (b);  32. (b); 
 
33. (c); I. Q > S (False)  II. S = Q (False) 
 
34. (a); I. J < Q (True)  II. L = R (False) 
 
35. (e); I. G > X (True)  II. O > M(True) 
 
 
  
  
 
SBI Clerk Prelims 2020 – Quantitative Aptitude (Solutions) 
 
36. (d); Required average = 
450+420+450
3
 = 440 
 
37. (a); Total male participated from school – B & D 
together = 540 + 560 = 1100 
  Total female participated from school – A & C 
together = 450 + 500 = 950 
  Required difference = 1100- 950 = 150 
 
38. (d); Total male participated from school – B & C 
together = 540 + 720 = 1260 
   Total female participated from school – A & D 
together = 450 + 450 = 900 
  Required % = 
1260-900
900
× 100 = 40% 
 
39. (b); Total students participated from school F = 
140
100
× 650 + 420 ×
32
21
 
  = 910 + 640 = 1550 
 
40. (b); Total number of male students participated from 
all the five schools 
  = (650 + 540 + 720 + 560 + 680) = 3150 
 
41. (b); Pattern of series – 
   
 
42. (a); Pattern of series -  
   
43. (d); Pattern of series -   
   
 
44. (e); Pattern of series -  
   
 
45. (e); Pattern of series -  
   
 
46. (d); let total work be 360 units 
  Efficiency of 1 man = 
360
12×10
= 3 units/day 
  Efficiency of 1 woman = 
360
10×18
= 2 units/day 
  Required time = 
360
4×3+6×2
= 15 days 
 
47. (a); distance = 240 kms 
  Required speed = 
240
2.5
= 96 kmph 
  Required % = 
96-60
60
× 100 = 60% 
 
48. (b); Let 10 years ago, ages of Ram and Rahim were x 
years and 3x years, respectively.  
  Then, present age of Ram = (x + 10)  
  and present age of Rahim = (3x + 10) 
  According to the question,  
  
x+10+5
3x+10+5
=
2
3
  
  ? 3x + 45 = 6x + 30  
  ? 3x = 15 
  ? x = 5  
  Hence, required ratio =
5+10
3×5+10
  
  =
15
25
 = 3 : 5  
 
49. (b); required time = 
140+120
(132-80)×
5
18
 
  = 
260×18
52×5
 = 18 sec 
 
50. (c); let CP of book be Rs x 
  SP = Rs 1.2x 
  New CP = Rs 0.9x 
  New SP = Rs 1.2x + 90 
  ATQ, 0.9?? ×
140
100
= 1.2?? + 90 
  1.26x = 1.2x + 90 
  x = Rs 1500 
 
51. (a); I. x = 5 
  II. y = 5 
  So, x=y 
 
52. (d); I.  x
2
 + 7x – 5x – 35 =0 
   x (x + 7) – 5 (x + 7) =0 
   (x + 7) (x – 5) = 0 
   x = -7, 5 
  II.  y
2
 + 7y + 8y + 56 = 0 
   y(y + 7) + 8(y + 7) = 0 
   (y + 7) (y + 8) = 0 
   y = - 8, -7  
   So, x=y 
 
53. (a)  I.  x = ± 9 
  II.  y = ± 8 
   So, no relation can be established 
 
54. (a); I.  17x
2
 – 14x – 3 = 0 
   17x
2
 – 17x + 3x – 3 = 0 
   17x (x – 1) + 3(x – 1) = 0 
   (17x + 3) (x – 1) = 0 
   x =  -
3
17
 , 1 
  II.  y
2
 – 2y – 35 = 0 
   y
2
 – 7y + 5y – 35 = 0 
   y(y -7) + 5(?? - 7) = 0 
   y = 7, - 5 
   So, no relation can be established 
 
 
  
  
 
55. (e); I.  x
2
 + 9x – 5x – 45 = 0 
   x(x + 9) – 5(x + 9) = 0 
   (x – 5) (x + 9) = 0 
   x = 5, - 9 
  II.  y
2
 – 5y – 8y + 40 = 0 
   y(y – 5) – 8(y – 5) = 0 
   (y – 5) (y – 8) = 0 
   y = 5, 8 
   So, x=y 
 
56. (e); let initial quantity of milk & water be 5x & 3x lit 
respectively 
  ATQ, 
5?? +8
3?? =
11
5
 
  25x + 40 = 33x ? x = 5 
  required difference = 5x – 3x = 2x = 10 lit 
 
57. (a); let rate of interest be R% 
  ATQ, 1200 =
6000×?? ×2
100
 
  R = 10% 
  Since compounding is done half-yearly, rate of 
interest = 5% 
  Effective rate of interest = 5 + 5 + 
5×5
100
 = 10.25% 
  Required interest = 
6000×10.25×1
100
 = Rs 615 
 
58. (b); let speed of boat in still water & speed of stream 
be 7x & 3x kmph respectively 
  ATQ, 
28
7?? +3?? =
42
60
 
  x = 4 
  Required difference = 
40
7?? -3?? -
60
7?? +3?? = 
4
?? = 1 hour 
 
59. (d); let amount invested by A be Rs x 
  Profit ratio; A : B = (x × 12) : (17000 – x) × 6 + 
(15500 – x) × 6 
  = 2x : (32500 – 2x)  
  ATQ, 
19500
32500-2?? +2?? × (32500- 2?? ) = 8100 
  32500 – 2x = 13500 
  x = Rs 9500 
  Required capital of B after 6 months  
  = 15500 – x = Rs 6000 
 
60. (c); let length & breadth of rectangle be x & y m 
respectively 
  ATQ, 1.4xy – xy = 24 
  xy = 60 ………………(i) 
  also, 2(x + y) = 32 
  x + y = 16 ………….(ii) 
  from (i) & (ii) 
  x = 10 m, y = 6 m 
  breadth of rectangle = 6 m 
 
61. (d); ? = 170 – 35 
  ? = 135 
 
62. (a); (12 + 13) × 3 = 
?
5
 
  ? = 375 
 
63. (c); ? = (3 × 5) × 8  
  ? = 120 
 
64. (b); ( 
120
100
× 750 ) ÷? = 25  
  ? = 900 ÷ 25 
  ? = 36 
 
65. (d);  ? = (8 – 4 + 3)+ 
6-10+7
12
  
  ? = 7 
1
4
 
 
66. (e); 275 + 
64
100 
 × 750 = 750 + ? 
  275 + 480 = 750 + ?  
  ? = 5 
 
67. (a); ? = 15 + 9 + 144  
  ? = 168 
 
68. (c); 
510
?
= 18 + 3.25 
  ? = 24 
69. (d); 
12.5
100
× (120+? ) = 45   
  120 + ? = 360 
  ? = 240 
 
70. (c); 44 × 12 - 16 = (8)
?
 
  528 – 16 = (8)
?
 
  ? = 3 
 
Page 4


 
  
  
 
SBI Clerk Prelims 2020 – Reasoning Ability (Solutions) 
 
Solutions (1-5): 
 
Designation Persons 
Chairman F 
CFO A 
GM B 
DGM C 
AGM G 
Manager D 
Junior manager  H 
Clerk E 
 
1. (b)  2. (d) 3. (c) 
 
4. (a)  5. (c) 
 
6. (b);  
   
 
7. (d);  
   
 
8. (e);  
   
 
Solutions (9-12): 
Word Code 
Club Ox 
Near Ot 
House/Located Ol/gp 
Both Mt 
Make Nk 
Area Tm 
View Sq 
 
9. (c) 
10. (d) 
11. (a) 
12. (a) 
 
Solutions (13-17):  
   
 
13. (b);  14. (c); 15. (b); 
16. (d);  17. (e); 
 
Solutions (18-20): 
   
 
18. (a);  
19. (c); 
20. (c);                
   
 
21. (b);  22. (c); 23. (d) 
 
24. (a);  25. (d); 
 
26. (c); 6  4  5  9  0  3  2  8  7 
  0  2  3  4  5  6  7  8  9 
 
27. (a); Hire, Heir 
 
Solutions (28-32): 
   
 
28. (e);  29. (d);  30. (a); 
 
31. (b);  32. (b); 
 
33. (c); I. Q > S (False)  II. S = Q (False) 
 
34. (a); I. J < Q (True)  II. L = R (False) 
 
35. (e); I. G > X (True)  II. O > M(True) 
 
 
  
  
 
SBI Clerk Prelims 2020 – Quantitative Aptitude (Solutions) 
 
36. (d); Required average = 
450+420+450
3
 = 440 
 
37. (a); Total male participated from school – B & D 
together = 540 + 560 = 1100 
  Total female participated from school – A & C 
together = 450 + 500 = 950 
  Required difference = 1100- 950 = 150 
 
38. (d); Total male participated from school – B & C 
together = 540 + 720 = 1260 
   Total female participated from school – A & D 
together = 450 + 450 = 900 
  Required % = 
1260-900
900
× 100 = 40% 
 
39. (b); Total students participated from school F = 
140
100
× 650 + 420 ×
32
21
 
  = 910 + 640 = 1550 
 
40. (b); Total number of male students participated from 
all the five schools 
  = (650 + 540 + 720 + 560 + 680) = 3150 
 
41. (b); Pattern of series – 
   
 
42. (a); Pattern of series -  
   
43. (d); Pattern of series -   
   
 
44. (e); Pattern of series -  
   
 
45. (e); Pattern of series -  
   
 
46. (d); let total work be 360 units 
  Efficiency of 1 man = 
360
12×10
= 3 units/day 
  Efficiency of 1 woman = 
360
10×18
= 2 units/day 
  Required time = 
360
4×3+6×2
= 15 days 
 
47. (a); distance = 240 kms 
  Required speed = 
240
2.5
= 96 kmph 
  Required % = 
96-60
60
× 100 = 60% 
 
48. (b); Let 10 years ago, ages of Ram and Rahim were x 
years and 3x years, respectively.  
  Then, present age of Ram = (x + 10)  
  and present age of Rahim = (3x + 10) 
  According to the question,  
  
x+10+5
3x+10+5
=
2
3
  
  ? 3x + 45 = 6x + 30  
  ? 3x = 15 
  ? x = 5  
  Hence, required ratio =
5+10
3×5+10
  
  =
15
25
 = 3 : 5  
 
49. (b); required time = 
140+120
(132-80)×
5
18
 
  = 
260×18
52×5
 = 18 sec 
 
50. (c); let CP of book be Rs x 
  SP = Rs 1.2x 
  New CP = Rs 0.9x 
  New SP = Rs 1.2x + 90 
  ATQ, 0.9?? ×
140
100
= 1.2?? + 90 
  1.26x = 1.2x + 90 
  x = Rs 1500 
 
51. (a); I. x = 5 
  II. y = 5 
  So, x=y 
 
52. (d); I.  x
2
 + 7x – 5x – 35 =0 
   x (x + 7) – 5 (x + 7) =0 
   (x + 7) (x – 5) = 0 
   x = -7, 5 
  II.  y
2
 + 7y + 8y + 56 = 0 
   y(y + 7) + 8(y + 7) = 0 
   (y + 7) (y + 8) = 0 
   y = - 8, -7  
   So, x=y 
 
53. (a)  I.  x = ± 9 
  II.  y = ± 8 
   So, no relation can be established 
 
54. (a); I.  17x
2
 – 14x – 3 = 0 
   17x
2
 – 17x + 3x – 3 = 0 
   17x (x – 1) + 3(x – 1) = 0 
   (17x + 3) (x – 1) = 0 
   x =  -
3
17
 , 1 
  II.  y
2
 – 2y – 35 = 0 
   y
2
 – 7y + 5y – 35 = 0 
   y(y -7) + 5(?? - 7) = 0 
   y = 7, - 5 
   So, no relation can be established 
 
 
  
  
 
55. (e); I.  x
2
 + 9x – 5x – 45 = 0 
   x(x + 9) – 5(x + 9) = 0 
   (x – 5) (x + 9) = 0 
   x = 5, - 9 
  II.  y
2
 – 5y – 8y + 40 = 0 
   y(y – 5) – 8(y – 5) = 0 
   (y – 5) (y – 8) = 0 
   y = 5, 8 
   So, x=y 
 
56. (e); let initial quantity of milk & water be 5x & 3x lit 
respectively 
  ATQ, 
5?? +8
3?? =
11
5
 
  25x + 40 = 33x ? x = 5 
  required difference = 5x – 3x = 2x = 10 lit 
 
57. (a); let rate of interest be R% 
  ATQ, 1200 =
6000×?? ×2
100
 
  R = 10% 
  Since compounding is done half-yearly, rate of 
interest = 5% 
  Effective rate of interest = 5 + 5 + 
5×5
100
 = 10.25% 
  Required interest = 
6000×10.25×1
100
 = Rs 615 
 
58. (b); let speed of boat in still water & speed of stream 
be 7x & 3x kmph respectively 
  ATQ, 
28
7?? +3?? =
42
60
 
  x = 4 
  Required difference = 
40
7?? -3?? -
60
7?? +3?? = 
4
?? = 1 hour 
 
59. (d); let amount invested by A be Rs x 
  Profit ratio; A : B = (x × 12) : (17000 – x) × 6 + 
(15500 – x) × 6 
  = 2x : (32500 – 2x)  
  ATQ, 
19500
32500-2?? +2?? × (32500- 2?? ) = 8100 
  32500 – 2x = 13500 
  x = Rs 9500 
  Required capital of B after 6 months  
  = 15500 – x = Rs 6000 
 
60. (c); let length & breadth of rectangle be x & y m 
respectively 
  ATQ, 1.4xy – xy = 24 
  xy = 60 ………………(i) 
  also, 2(x + y) = 32 
  x + y = 16 ………….(ii) 
  from (i) & (ii) 
  x = 10 m, y = 6 m 
  breadth of rectangle = 6 m 
 
61. (d); ? = 170 – 35 
  ? = 135 
 
62. (a); (12 + 13) × 3 = 
?
5
 
  ? = 375 
 
63. (c); ? = (3 × 5) × 8  
  ? = 120 
 
64. (b); ( 
120
100
× 750 ) ÷? = 25  
  ? = 900 ÷ 25 
  ? = 36 
 
65. (d);  ? = (8 – 4 + 3)+ 
6-10+7
12
  
  ? = 7 
1
4
 
 
66. (e); 275 + 
64
100 
 × 750 = 750 + ? 
  275 + 480 = 750 + ?  
  ? = 5 
 
67. (a); ? = 15 + 9 + 144  
  ? = 168 
 
68. (c); 
510
?
= 18 + 3.25 
  ? = 24 
69. (d); 
12.5
100
× (120+? ) = 45   
  120 + ? = 360 
  ? = 240 
 
70. (c); 44 × 12 - 16 = (8)
?
 
  528 – 16 = (8)
?
 
  ? = 3 
 
 
  
  
 
SBI Clerk Prelims 2020 – English Language (Solutions) 
 
71. (a); Reading the first paragraph of the passage it can 
be deduced that the correct answer is option(a). 
  The relevant sentences of the mentioned 
sentences have been quoted below: 
  “This is why mosquitoes are considered one of 
the deadliest living creatures on the planet — not 
because they are lethal themselves, but because 
many of the viruses and parasites they transmit 
are.” 
 
72. (b); Reading the second paragraph of the passage it 
can be deduced that the correct answer is 
  option(b). The sentences of the passage which 
substantiate this are given below: 
  “One such strategy involves the release into the 
wild of genetically modified (GM) mosquitoes 
that express a lethal gene — a strategy believed 
to have little impact on the overall DNA of wild 
populations of mosquitoes.” 
 
73. (e); Reading the last paragraph of the passage it can 
be deduced that the correct answer is 
  option(e). The relevant sentences of the 
mentioned sentences have been quoted below: 
  “One significant worry is that a new breed of 
mosquito might emerge that is more difficult to 
control. These new genes could also potentially 
alter evolutionary pressures on viruses carried 
by mosquitoes, like dengue fever, in 
unpredictable ways. This includes potentially 
increasing their virulence or changing their host-
insect interactions.” 
 
74. (e); Reading the passage carefully we can see that 
none of the sentences given above are factually 
  correct hence the correct answer will be option 
(e). 
 
75. (a); Reading the fourth and fifth paras of the passage 
it can be deduced that the correct answer is 
  option(a). The relevant sentences of the 
mentioned sentences have been quoted below: 
“These male GM mosquitoes have what the 
company describes as a “self-limiting” gene, 
which means that when these so-called friendly 
mosquitoes’ mate, their offspring inherit the self-
limiting gene which is supposed to prevent them 
surviving into adulthood In theory, when these 
mosquitoes are released in high numbers, a 
dramatic reduction in the mosquito population 
should follow.” 
 
76. (a); Among the given words, ‘fatal’ is the synonym of 
‘deadliest’. Hence, option (a) is the 
  most suitable answer choice. 
  Fatal: causing death. 
  Demeaning: causing someone to lose their 
dignity and the respect of others. 
 
77. (d); Reading the above passage it can be seen that the 
correct statements are (a) and (c). The sentences 
have been quoted below for your reference- 
“According to research published by Oxitec 
researchers in 2015, field trials involving 
recurring releases of Friendly™ mosquitoes 
demonstrated a reduction of nearly 95 per 
cent of target populations in Brazil. A recent 
study from the Powell lab at Yale University has 
since confirmed that some of the offspring of the 
GM mosquitoes didn’t succumb to the self-
limiting lethal gene and survived to adulthood. 
They were able to breed with native 
mosquitoes and thereby introduce some of 
their genes into the wild population.” 
 
78. (c); Hostile means showing or feeling opposition or 
dislike; unfriendly. Therefore, sentence (ii) and 
(iii) depict the correct usage of the given word. 
Hence, option (c) is the most suitable answer 
choice. 
 
79. (a); Vague means thinking or communicating in an 
unfocused or imprecise way. Therefore, only 
sentence (i) depicts the correct usage of the given 
word. Hence, option (a) is the most suitable 
answer choice. 
 
80. (d); Escalate means increase rapidly. Therefore, only 
sentence (iii) depicts the correct usage of the 
given word. Hence, option (d) is the most suitable 
answer choice. 
 
81. (c); As we go through the analysis of the sentence, we 
find that the sentence of option (c) is correct. 
  (a) replace ‘among’ with ‘between’. Among is 
used for a greater number. 
  (b) replace ‘case’ with ‘cases’. 
  (d) replace’ manufacture’ with ‘manufacturing’. 
 
82. (b); As we go through the analysis of the sentence, we 
find that the sentence of option (b) is correct. 
  (a) replace ‘rename’ with ‘renamed’. 
  (c) replace ‘with’ with ‘for’. 
  (d) replace ‘regulate’ with ‘regulating’. 
 
Page 5


 
  
  
 
SBI Clerk Prelims 2020 – Reasoning Ability (Solutions) 
 
Solutions (1-5): 
 
Designation Persons 
Chairman F 
CFO A 
GM B 
DGM C 
AGM G 
Manager D 
Junior manager  H 
Clerk E 
 
1. (b)  2. (d) 3. (c) 
 
4. (a)  5. (c) 
 
6. (b);  
   
 
7. (d);  
   
 
8. (e);  
   
 
Solutions (9-12): 
Word Code 
Club Ox 
Near Ot 
House/Located Ol/gp 
Both Mt 
Make Nk 
Area Tm 
View Sq 
 
9. (c) 
10. (d) 
11. (a) 
12. (a) 
 
Solutions (13-17):  
   
 
13. (b);  14. (c); 15. (b); 
16. (d);  17. (e); 
 
Solutions (18-20): 
   
 
18. (a);  
19. (c); 
20. (c);                
   
 
21. (b);  22. (c); 23. (d) 
 
24. (a);  25. (d); 
 
26. (c); 6  4  5  9  0  3  2  8  7 
  0  2  3  4  5  6  7  8  9 
 
27. (a); Hire, Heir 
 
Solutions (28-32): 
   
 
28. (e);  29. (d);  30. (a); 
 
31. (b);  32. (b); 
 
33. (c); I. Q > S (False)  II. S = Q (False) 
 
34. (a); I. J < Q (True)  II. L = R (False) 
 
35. (e); I. G > X (True)  II. O > M(True) 
 
 
  
  
 
SBI Clerk Prelims 2020 – Quantitative Aptitude (Solutions) 
 
36. (d); Required average = 
450+420+450
3
 = 440 
 
37. (a); Total male participated from school – B & D 
together = 540 + 560 = 1100 
  Total female participated from school – A & C 
together = 450 + 500 = 950 
  Required difference = 1100- 950 = 150 
 
38. (d); Total male participated from school – B & C 
together = 540 + 720 = 1260 
   Total female participated from school – A & D 
together = 450 + 450 = 900 
  Required % = 
1260-900
900
× 100 = 40% 
 
39. (b); Total students participated from school F = 
140
100
× 650 + 420 ×
32
21
 
  = 910 + 640 = 1550 
 
40. (b); Total number of male students participated from 
all the five schools 
  = (650 + 540 + 720 + 560 + 680) = 3150 
 
41. (b); Pattern of series – 
   
 
42. (a); Pattern of series -  
   
43. (d); Pattern of series -   
   
 
44. (e); Pattern of series -  
   
 
45. (e); Pattern of series -  
   
 
46. (d); let total work be 360 units 
  Efficiency of 1 man = 
360
12×10
= 3 units/day 
  Efficiency of 1 woman = 
360
10×18
= 2 units/day 
  Required time = 
360
4×3+6×2
= 15 days 
 
47. (a); distance = 240 kms 
  Required speed = 
240
2.5
= 96 kmph 
  Required % = 
96-60
60
× 100 = 60% 
 
48. (b); Let 10 years ago, ages of Ram and Rahim were x 
years and 3x years, respectively.  
  Then, present age of Ram = (x + 10)  
  and present age of Rahim = (3x + 10) 
  According to the question,  
  
x+10+5
3x+10+5
=
2
3
  
  ? 3x + 45 = 6x + 30  
  ? 3x = 15 
  ? x = 5  
  Hence, required ratio =
5+10
3×5+10
  
  =
15
25
 = 3 : 5  
 
49. (b); required time = 
140+120
(132-80)×
5
18
 
  = 
260×18
52×5
 = 18 sec 
 
50. (c); let CP of book be Rs x 
  SP = Rs 1.2x 
  New CP = Rs 0.9x 
  New SP = Rs 1.2x + 90 
  ATQ, 0.9?? ×
140
100
= 1.2?? + 90 
  1.26x = 1.2x + 90 
  x = Rs 1500 
 
51. (a); I. x = 5 
  II. y = 5 
  So, x=y 
 
52. (d); I.  x
2
 + 7x – 5x – 35 =0 
   x (x + 7) – 5 (x + 7) =0 
   (x + 7) (x – 5) = 0 
   x = -7, 5 
  II.  y
2
 + 7y + 8y + 56 = 0 
   y(y + 7) + 8(y + 7) = 0 
   (y + 7) (y + 8) = 0 
   y = - 8, -7  
   So, x=y 
 
53. (a)  I.  x = ± 9 
  II.  y = ± 8 
   So, no relation can be established 
 
54. (a); I.  17x
2
 – 14x – 3 = 0 
   17x
2
 – 17x + 3x – 3 = 0 
   17x (x – 1) + 3(x – 1) = 0 
   (17x + 3) (x – 1) = 0 
   x =  -
3
17
 , 1 
  II.  y
2
 – 2y – 35 = 0 
   y
2
 – 7y + 5y – 35 = 0 
   y(y -7) + 5(?? - 7) = 0 
   y = 7, - 5 
   So, no relation can be established 
 
 
  
  
 
55. (e); I.  x
2
 + 9x – 5x – 45 = 0 
   x(x + 9) – 5(x + 9) = 0 
   (x – 5) (x + 9) = 0 
   x = 5, - 9 
  II.  y
2
 – 5y – 8y + 40 = 0 
   y(y – 5) – 8(y – 5) = 0 
   (y – 5) (y – 8) = 0 
   y = 5, 8 
   So, x=y 
 
56. (e); let initial quantity of milk & water be 5x & 3x lit 
respectively 
  ATQ, 
5?? +8
3?? =
11
5
 
  25x + 40 = 33x ? x = 5 
  required difference = 5x – 3x = 2x = 10 lit 
 
57. (a); let rate of interest be R% 
  ATQ, 1200 =
6000×?? ×2
100
 
  R = 10% 
  Since compounding is done half-yearly, rate of 
interest = 5% 
  Effective rate of interest = 5 + 5 + 
5×5
100
 = 10.25% 
  Required interest = 
6000×10.25×1
100
 = Rs 615 
 
58. (b); let speed of boat in still water & speed of stream 
be 7x & 3x kmph respectively 
  ATQ, 
28
7?? +3?? =
42
60
 
  x = 4 
  Required difference = 
40
7?? -3?? -
60
7?? +3?? = 
4
?? = 1 hour 
 
59. (d); let amount invested by A be Rs x 
  Profit ratio; A : B = (x × 12) : (17000 – x) × 6 + 
(15500 – x) × 6 
  = 2x : (32500 – 2x)  
  ATQ, 
19500
32500-2?? +2?? × (32500- 2?? ) = 8100 
  32500 – 2x = 13500 
  x = Rs 9500 
  Required capital of B after 6 months  
  = 15500 – x = Rs 6000 
 
60. (c); let length & breadth of rectangle be x & y m 
respectively 
  ATQ, 1.4xy – xy = 24 
  xy = 60 ………………(i) 
  also, 2(x + y) = 32 
  x + y = 16 ………….(ii) 
  from (i) & (ii) 
  x = 10 m, y = 6 m 
  breadth of rectangle = 6 m 
 
61. (d); ? = 170 – 35 
  ? = 135 
 
62. (a); (12 + 13) × 3 = 
?
5
 
  ? = 375 
 
63. (c); ? = (3 × 5) × 8  
  ? = 120 
 
64. (b); ( 
120
100
× 750 ) ÷? = 25  
  ? = 900 ÷ 25 
  ? = 36 
 
65. (d);  ? = (8 – 4 + 3)+ 
6-10+7
12
  
  ? = 7 
1
4
 
 
66. (e); 275 + 
64
100 
 × 750 = 750 + ? 
  275 + 480 = 750 + ?  
  ? = 5 
 
67. (a); ? = 15 + 9 + 144  
  ? = 168 
 
68. (c); 
510
?
= 18 + 3.25 
  ? = 24 
69. (d); 
12.5
100
× (120+? ) = 45   
  120 + ? = 360 
  ? = 240 
 
70. (c); 44 × 12 - 16 = (8)
?
 
  528 – 16 = (8)
?
 
  ? = 3 
 
 
  
  
 
SBI Clerk Prelims 2020 – English Language (Solutions) 
 
71. (a); Reading the first paragraph of the passage it can 
be deduced that the correct answer is option(a). 
  The relevant sentences of the mentioned 
sentences have been quoted below: 
  “This is why mosquitoes are considered one of 
the deadliest living creatures on the planet — not 
because they are lethal themselves, but because 
many of the viruses and parasites they transmit 
are.” 
 
72. (b); Reading the second paragraph of the passage it 
can be deduced that the correct answer is 
  option(b). The sentences of the passage which 
substantiate this are given below: 
  “One such strategy involves the release into the 
wild of genetically modified (GM) mosquitoes 
that express a lethal gene — a strategy believed 
to have little impact on the overall DNA of wild 
populations of mosquitoes.” 
 
73. (e); Reading the last paragraph of the passage it can 
be deduced that the correct answer is 
  option(e). The relevant sentences of the 
mentioned sentences have been quoted below: 
  “One significant worry is that a new breed of 
mosquito might emerge that is more difficult to 
control. These new genes could also potentially 
alter evolutionary pressures on viruses carried 
by mosquitoes, like dengue fever, in 
unpredictable ways. This includes potentially 
increasing their virulence or changing their host-
insect interactions.” 
 
74. (e); Reading the passage carefully we can see that 
none of the sentences given above are factually 
  correct hence the correct answer will be option 
(e). 
 
75. (a); Reading the fourth and fifth paras of the passage 
it can be deduced that the correct answer is 
  option(a). The relevant sentences of the 
mentioned sentences have been quoted below: 
“These male GM mosquitoes have what the 
company describes as a “self-limiting” gene, 
which means that when these so-called friendly 
mosquitoes’ mate, their offspring inherit the self-
limiting gene which is supposed to prevent them 
surviving into adulthood In theory, when these 
mosquitoes are released in high numbers, a 
dramatic reduction in the mosquito population 
should follow.” 
 
76. (a); Among the given words, ‘fatal’ is the synonym of 
‘deadliest’. Hence, option (a) is the 
  most suitable answer choice. 
  Fatal: causing death. 
  Demeaning: causing someone to lose their 
dignity and the respect of others. 
 
77. (d); Reading the above passage it can be seen that the 
correct statements are (a) and (c). The sentences 
have been quoted below for your reference- 
“According to research published by Oxitec 
researchers in 2015, field trials involving 
recurring releases of Friendly™ mosquitoes 
demonstrated a reduction of nearly 95 per 
cent of target populations in Brazil. A recent 
study from the Powell lab at Yale University has 
since confirmed that some of the offspring of the 
GM mosquitoes didn’t succumb to the self-
limiting lethal gene and survived to adulthood. 
They were able to breed with native 
mosquitoes and thereby introduce some of 
their genes into the wild population.” 
 
78. (c); Hostile means showing or feeling opposition or 
dislike; unfriendly. Therefore, sentence (ii) and 
(iii) depict the correct usage of the given word. 
Hence, option (c) is the most suitable answer 
choice. 
 
79. (a); Vague means thinking or communicating in an 
unfocused or imprecise way. Therefore, only 
sentence (i) depicts the correct usage of the given 
word. Hence, option (a) is the most suitable 
answer choice. 
 
80. (d); Escalate means increase rapidly. Therefore, only 
sentence (iii) depicts the correct usage of the 
given word. Hence, option (d) is the most suitable 
answer choice. 
 
81. (c); As we go through the analysis of the sentence, we 
find that the sentence of option (c) is correct. 
  (a) replace ‘among’ with ‘between’. Among is 
used for a greater number. 
  (b) replace ‘case’ with ‘cases’. 
  (d) replace’ manufacture’ with ‘manufacturing’. 
 
82. (b); As we go through the analysis of the sentence, we 
find that the sentence of option (b) is correct. 
  (a) replace ‘rename’ with ‘renamed’. 
  (c) replace ‘with’ with ‘for’. 
  (d) replace ‘regulate’ with ‘regulating’. 
 
 
  
  
 
83. (d); As we go through the analysis of the sentence, we 
find that the sentence of option (d) is correct. 
  (a) replace ‘as’ with ‘for’. 
  (b) replace ‘to’ with ‘in’. 
  (c) replace ‘there’ with ‘their’. 
 
84. (e); As we go through the sentences, we find that all 
sentences are incorrect. 
  (a) replace ‘have’ with ‘has’. 
  (b) replace ‘resigns’ with ‘resigned’. 
  (c) replace ‘drink’ with ‘drank’. 
  (d) replace ‘isn’t’ with ‘aren’t’. 
 
85. (a); As we go through the analysis of the sentence, we 
find that the sentence in option (a) is correct. 
  (b) replace ‘uses’ with ‘use’. 
  (c) interchange ‘have’ with ‘you’ to maintain the 
interrogative form of the sentence. 
  (d) replace ‘nothing’ with ‘anything’ because 
‘barely’ will not take ‘nothing’ after it. 
 
86. (a); Except “balenced” which is spelt as “balanced” all 
other words are correctly spelt so our answer 
choice will be option (a).  
 
87. (a) ; Except “pripared” which is spelt as “prepared” all 
other words are correctly spelt so our answer 
choice will be option (a).  
 
88. (d); Except “footbal” which is spelt as “football” all 
other words are correctly spelt so our answer 
choice will be option (d).  
 
89. (a); Except “looking over” which is grammatically 
wrong all other words are correctly spelt and are 
grammatically flawless so our answer choice will 
be option (a). Replace “looking over” with “look 
over”. 
 
90. (c); Except “fall of” which is spelt as “fall off” all other 
words are correctly spelt so our answer choice 
will be option (c).  
 
91. (c); The correct rearrangement of the parts of 
statement will be “ACBD” which will make a 
grammatically correct and contextually 
meaningful statement. Hence, option (c) is the 
most suitable answer choice. The correct 
statement thus formed will be: 
  “The merger of Bharti Infratel and Indus Towers 
will create the world’s second largest tower 
company.” 
 
92. (b); The correct rearrangement of the parts of 
statement will be “BDCA” which will make a 
grammatically correct and contextually 
meaningful statement. Hence, option (b) is the 
most suitable answer choice. The correct 
statement thus formed will be: 
  “The long-awaited trade agreement appears to be 
off the table during US President Donald Trump’s 
upcoming visit to India.” 
 
93. (e); In the given sentence the sentence elaborates on 
allegations made against the government by 
leaders of railway employee organisations with 
respect to their stand on handing over railway 
infrastructure to private companies. Hence, 
option (e) is the most suitable answer choice 
which means the sentence requires no 
rearrangement. The statement thus formed will 
be: 
  “Leaders of the Railway Employees Organization 
alleged that the government wants to hand over 
the rail infrastructure to the private operators for 
financial benefit.” 
 
94. (b); The correct rearrangement of the parts of 
statement will be “ABDC” which will make a 
grammatically correct and contextually 
meaningful statement. The given statement talks 
about India not being granted the permission to 
send an aircraft carrying medical supplies to the 
coronavirus hit Wuhan region. The correct 
statement thus formed will be: 
  “China has not yet given India the go-ahead to 
send an aircraft with medical supplies to 
coronavirus hit Wuhan.” 
 
95. (d); The correct rearrangement of the parts of 
statement will be “BACD” which will make a 
grammatically correct and contextually 
meaningful statement. The given sentence talks 
about migration in animals with changing 
seasons in search of their basic needs. Hence, 
option (d) is the most suitable answer choice. 
The correct statement thus formed will be: 
  “With a change in season, many mammals and 
birds move from one country to another in 
search of food and shelter, and for breeding.” 
 
96. (b); The given paragraph is describing the alarming 
situation of Bumblebees where their numbers 
are continuously declining. Thus, the most 
suitable word for the given blank is “trouble”. 
Hence, option (b) is the correct answer choice. 
 
97. (d); The given paragraph is describing the alarming 
situation of Bumblebees where their numbers 
are continuously declining. Thus, the most 
suitable word for the given blank is “dropping”. 
All the other words are contextually incorrect. 
Hence, option (d) is the correct answer choice.