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Page 1
IBPS RRB PO Prelims Previous Year Paper 2020
(Solutions)
S1. Ans.(c)
Sol.
2 1 4 5 6 7 3
0 2 2 6 4 8 4
Solutions (2-6):
Floors Flat-P Flat-Q
4 D H
3 G F
2 C A
1 B E
S2. Ans.(b)
S3. Ans.(b)
S4. Ans.(e)
S5. Ans.(d)
S6. Ans.(d)
Solutions (7-11):
Words Codes
Plan mn
To kr/pc
Go pc/kr
Exam oj
Easy ly
Today si
Your zm
Make rk
S7. Ans.(c)
S8. Ans.(d)
S9. Ans.(d)
S10. Ans.(a)
S11. Ans.(c)
Page 2
IBPS RRB PO Prelims Previous Year Paper 2020
(Solutions)
S1. Ans.(c)
Sol.
2 1 4 5 6 7 3
0 2 2 6 4 8 4
Solutions (2-6):
Floors Flat-P Flat-Q
4 D H
3 G F
2 C A
1 B E
S2. Ans.(b)
S3. Ans.(b)
S4. Ans.(e)
S5. Ans.(d)
S6. Ans.(d)
Solutions (7-11):
Words Codes
Plan mn
To kr/pc
Go pc/kr
Exam oj
Easy ly
Today si
Your zm
Make rk
S7. Ans.(c)
S8. Ans.(d)
S9. Ans.(d)
S10. Ans.(a)
S11. Ans.(c)
S12. Ans.(c)
Sol.
Solutions (13-15):
S13. Ans.(e)
S14. Ans.(b)
S15. Ans.(a)
Solutions (16-20):
S16. Ans.(a)
S17. Ans.(d)
S18. Ans.(e)
S19. Ans.(a)
S20. Ans.(e)
S21. Ans.(d)
Sol.
Days Persons
Monday Q
Tuesday U
Wednesday T
Thursday S
Friday P
Saturday R
Page 3
IBPS RRB PO Prelims Previous Year Paper 2020
(Solutions)
S1. Ans.(c)
Sol.
2 1 4 5 6 7 3
0 2 2 6 4 8 4
Solutions (2-6):
Floors Flat-P Flat-Q
4 D H
3 G F
2 C A
1 B E
S2. Ans.(b)
S3. Ans.(b)
S4. Ans.(e)
S5. Ans.(d)
S6. Ans.(d)
Solutions (7-11):
Words Codes
Plan mn
To kr/pc
Go pc/kr
Exam oj
Easy ly
Today si
Your zm
Make rk
S7. Ans.(c)
S8. Ans.(d)
S9. Ans.(d)
S10. Ans.(a)
S11. Ans.(c)
S12. Ans.(c)
Sol.
Solutions (13-15):
S13. Ans.(e)
S14. Ans.(b)
S15. Ans.(a)
Solutions (16-20):
S16. Ans.(a)
S17. Ans.(d)
S18. Ans.(e)
S19. Ans.(a)
S20. Ans.(e)
S21. Ans.(d)
Sol.
Days Persons
Monday Q
Tuesday U
Wednesday T
Thursday S
Friday P
Saturday R
Solutions (22-26):
Boxes
T
Q
Y
O
M
X
K
L
P
J
S22. Ans.(d)
S23. Ans.(e)
S24. Ans.(c)
S25. Ans.(b)
S26. Ans.(d)
Solutions (27-31):
S27. Ans.(c)
S28. Ans.(b)
S29. Ans.(e)
S30. Ans.(b)
S31. Ans.(c)
S32. Ans.(a)
Sol. I. S > O (True) II. P > G(False)
S33. Ans.(e)
Sol. I. T < Q (True) II. T < K (True)
S34. Ans.(b)
Sol. I. V ? H(False) II. H ? M (True)
S35. Ans.(d)
Sol. I. B < N (False) II. L > H (False)
Page 4
IBPS RRB PO Prelims Previous Year Paper 2020
(Solutions)
S1. Ans.(c)
Sol.
2 1 4 5 6 7 3
0 2 2 6 4 8 4
Solutions (2-6):
Floors Flat-P Flat-Q
4 D H
3 G F
2 C A
1 B E
S2. Ans.(b)
S3. Ans.(b)
S4. Ans.(e)
S5. Ans.(d)
S6. Ans.(d)
Solutions (7-11):
Words Codes
Plan mn
To kr/pc
Go pc/kr
Exam oj
Easy ly
Today si
Your zm
Make rk
S7. Ans.(c)
S8. Ans.(d)
S9. Ans.(d)
S10. Ans.(a)
S11. Ans.(c)
S12. Ans.(c)
Sol.
Solutions (13-15):
S13. Ans.(e)
S14. Ans.(b)
S15. Ans.(a)
Solutions (16-20):
S16. Ans.(a)
S17. Ans.(d)
S18. Ans.(e)
S19. Ans.(a)
S20. Ans.(e)
S21. Ans.(d)
Sol.
Days Persons
Monday Q
Tuesday U
Wednesday T
Thursday S
Friday P
Saturday R
Solutions (22-26):
Boxes
T
Q
Y
O
M
X
K
L
P
J
S22. Ans.(d)
S23. Ans.(e)
S24. Ans.(c)
S25. Ans.(b)
S26. Ans.(d)
Solutions (27-31):
S27. Ans.(c)
S28. Ans.(b)
S29. Ans.(e)
S30. Ans.(b)
S31. Ans.(c)
S32. Ans.(a)
Sol. I. S > O (True) II. P > G(False)
S33. Ans.(e)
Sol. I. T < Q (True) II. T < K (True)
S34. Ans.(b)
Sol. I. V ? H(False) II. H ? M (True)
S35. Ans.(d)
Sol. I. B < N (False) II. L > H (False)
Solutions (36-40):
S36. Ans.(d)
S37. Ans.(e)
S38. Ans.(d)
S39. Ans.(e)
S40. Ans.(b)
S41. Ans.(e)
Sol. Required average =
1
3
× (5,500 ×
20+16+12
100
) = 880
S42. Ans.(c)
Sol. Required angle =
16
100
× 360 ° = 57.6 °
S43. Ans.(e)
Sol. Required number of students = 5,500 ×
10+18
100
= 1,540
S44. Ans.(b)
Sol. Students appeared in shift III & IV together of the examination = 5,500 ×
(24+12)
100
= 1,980
Students appeared in shift I of the examination = 5,500 ×
20
100
= 1,100
Required percentage =
1980-1100
1100
× 100 = 80%
Or, required percentage =
(24+12)-20
20
× 100 = 80%
S45. Ans.(a)
Sol. Students appeared in shift IV & VI together of the examination = 5,500 ×
12+18
100
= 1,650
Students appeared in shift II & III together of the examination = 5,500 ×
16+24
100
= 2,200
Required ratio =
1650
2200
= 3:4
Or required ratio =
(12+18)
(16+24)
= 3 : 4
Page 5
IBPS RRB PO Prelims Previous Year Paper 2020
(Solutions)
S1. Ans.(c)
Sol.
2 1 4 5 6 7 3
0 2 2 6 4 8 4
Solutions (2-6):
Floors Flat-P Flat-Q
4 D H
3 G F
2 C A
1 B E
S2. Ans.(b)
S3. Ans.(b)
S4. Ans.(e)
S5. Ans.(d)
S6. Ans.(d)
Solutions (7-11):
Words Codes
Plan mn
To kr/pc
Go pc/kr
Exam oj
Easy ly
Today si
Your zm
Make rk
S7. Ans.(c)
S8. Ans.(d)
S9. Ans.(d)
S10. Ans.(a)
S11. Ans.(c)
S12. Ans.(c)
Sol.
Solutions (13-15):
S13. Ans.(e)
S14. Ans.(b)
S15. Ans.(a)
Solutions (16-20):
S16. Ans.(a)
S17. Ans.(d)
S18. Ans.(e)
S19. Ans.(a)
S20. Ans.(e)
S21. Ans.(d)
Sol.
Days Persons
Monday Q
Tuesday U
Wednesday T
Thursday S
Friday P
Saturday R
Solutions (22-26):
Boxes
T
Q
Y
O
M
X
K
L
P
J
S22. Ans.(d)
S23. Ans.(e)
S24. Ans.(c)
S25. Ans.(b)
S26. Ans.(d)
Solutions (27-31):
S27. Ans.(c)
S28. Ans.(b)
S29. Ans.(e)
S30. Ans.(b)
S31. Ans.(c)
S32. Ans.(a)
Sol. I. S > O (True) II. P > G(False)
S33. Ans.(e)
Sol. I. T < Q (True) II. T < K (True)
S34. Ans.(b)
Sol. I. V ? H(False) II. H ? M (True)
S35. Ans.(d)
Sol. I. B < N (False) II. L > H (False)
Solutions (36-40):
S36. Ans.(d)
S37. Ans.(e)
S38. Ans.(d)
S39. Ans.(e)
S40. Ans.(b)
S41. Ans.(e)
Sol. Required average =
1
3
× (5,500 ×
20+16+12
100
) = 880
S42. Ans.(c)
Sol. Required angle =
16
100
× 360 ° = 57.6 °
S43. Ans.(e)
Sol. Required number of students = 5,500 ×
10+18
100
= 1,540
S44. Ans.(b)
Sol. Students appeared in shift III & IV together of the examination = 5,500 ×
(24+12)
100
= 1,980
Students appeared in shift I of the examination = 5,500 ×
20
100
= 1,100
Required percentage =
1980-1100
1100
× 100 = 80%
Or, required percentage =
(24+12)-20
20
× 100 = 80%
S45. Ans.(a)
Sol. Students appeared in shift IV & VI together of the examination = 5,500 ×
12+18
100
= 1,650
Students appeared in shift II & III together of the examination = 5,500 ×
16+24
100
= 2,200
Required ratio =
1650
2200
= 3:4
Or required ratio =
(12+18)
(16+24)
= 3 : 4
S46. Ans.(e)
Sol. Students appeared in shift I & VI together of the examination = 5,500 ×
20+18
100
= 2,090
Students appeared in shift III & V together of the examination = 5,500 ×
10+24
100
= 1,870
Required difference = 2090- 1870 = 220
S47. Ans.(a)
Sol. ATQ,
Let quantity of milk and water in the vessel initially be 7x liters & x liters respectively.
ATQ,
(7?? - 24 ×
7?? 8?? ) = 56
?? = 11
S48. Ans.(d)
Sol. Let time taken by B alone to complete the work be x days.
So, time taken by A alone to complete the same work = (?? - 7.5) days
ATQ,
1
?? -7.5
+
1
?? =
1
9
?? = 3,
45
2
x cannot be 3 as time taken by A alone cannot be negative.
Required time =
1×
2
9
1
45
2
= 5 days
S49. Ans.(b)
Sol. Let ages of A & B, 4 years later be 8x years & 9x years respectively.
ATQ,
(8?? - 4) + (9?? - 4) = 47 × 2
17?? = 102
?? = 6 years
Required difference = 9?? - 8?? = 6 years
S50. Ans.(a)
Sol. Let total students in the school be 100x.
So, number of students went on the picnic = 39x
And, number of boys went on the picnic = 75?? ×
32
100
= 24x
So, number of girls went on the picnic = 39?? - 24?? = 15x
Required percentage =
15?? 25?? × 100 = 60%
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