Quantitative Aptitude - Test 1 - SSC CGL MCQ

Quantitative Aptitude - Test 1 - SSC CGL MCQ

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25 Questions MCQ Test SSC CGL Tier 1 Mock Test Series 2024 - Quantitative Aptitude - Test 1

Quantitative Aptitude - Test 1 for SSC CGL 2024 is part of SSC CGL Tier 1 Mock Test Series 2024 preparation. The Quantitative Aptitude - Test 1 questions and answers have been prepared according to the SSC CGL exam syllabus.The Quantitative Aptitude - Test 1 MCQs are made for SSC CGL 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Quantitative Aptitude - Test 1 below.
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Quantitative Aptitude - Test 1 - Question 1

A and B can do a piece of work for Rs.800. A alone can do it in 8 days while B alone can do it in 12 days. With help of C, they finish it in 4 days. Find the ratio of share of B and C.

Detailed Solution for Quantitative Aptitude - Test 1 - Question 1

From the given data,
A’s one day’s work = 1/8
B’s one day’s work = 1/12
C’s one day’s work = ¼ - (1/8 + 1/12) = 1/24
∴ A : B : C = ratio of their 1 day’s work = 1/8 : 1/12 : 1/24 = 3 : 2 : 1
∴ ratio of share of B and C = 2 : 1

Quantitative Aptitude - Test 1 - Question 2

The curved surface area of a cylindrical pillar is 368 m2 and its volume 1104 m3. Find the height of the cylinder?

Detailed Solution for Quantitative Aptitude - Test 1 - Question 2

From the given data
⇒ volume of cylindrical pillar/curved surface area = πr2h/2πrh = 1104/368
⇒ r = (1104 × 2/368) = 6 m
Given that curved surface area = 2πrh = 368
⇒ h = 368/(2π × 6) = 9.76 m
∴ height of the cylinder = 9.76 m

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Quantitative Aptitude - Test 1 - Question 3

A wholesaler mixes 23 kg of rice at Rs. 24 per kg with 27 kg of rice of other variety at Rs. 37 per kg and sells the mixture at Rs. 35 per kg. His profit percent is

Detailed Solution for Quantitative Aptitude - Test 1 - Question 3

As per the given data,
Cost price of 23 kg of rice = 24 × 23 = Rs.552
Cost price of 27 kg of rice = 27 × 37 = Rs.999
∴ cost price of 50 kg of rice = Rs.552 + Rs.999 = Rs.1551
Also given that he sells at Rs.35 per kg
⇒ selling price of 50 kg of rice = 50 × 35 = 1750
∴ profit percent = (sp - cp/cp × 100)
= (1750 – 1551/1551 × 100)
= 12.83 %

Quantitative Aptitude - Test 1 - Question 4

When 30% is lost in grinding, a country can export 60 lakh tons of wheat with some of the wheat still remaining. On the other hand if only 20% is lost in grinding, it can export 80 lakh tons of wheat with the same amount of the wheat remaining, then the production of wheat in the country is

Detailed Solution for Quantitative Aptitude - Test 1 - Question 4

From the given data
Let x be the total production
Also from the given data 30% is lost in grinding wheat, a country can export 60 lakh tons of wheat.On the other hand if 20% is lost in grinding,it can export 80 lakh tons of wheat
⇒ 80x/100 – 70x/100 = 80 lakh tons – 60 lakh tons
⇒ 10x/100 = 20 lakh tons
⇒ x = 200 lakhs tons
∴ total production of wheat in the country is 200 lakhs of tons

Quantitative Aptitude - Test 1 - Question 5

A train of length 350 m crosses a bridge of length 250 m in 30 seconds. What is speed of the train?

Detailed Solution for Quantitative Aptitude - Test 1 - Question 5

As per the given data
Length of the bridge = 250 m
Length of the train = 350 m
Length of the train + length of the bridge = 350 + 250 = 600m
We know that speed = (length of the train + length of bridge)/time
⇒ speed = (600)/30 = 20 m/s = 20 × 18/5 = 72 km/hr
∴ speed of the train = 72km/hr

Quantitative Aptitude - Test 1 - Question 6

,then the least possible value of m is

Detailed Solution for Quantitative Aptitude - Test 1 - Question 6

From the given data

⇒ 8m = m2 - 2m + 24
⇒ m2 - 10m + 24 = 0
⇒ m2 - 6m - 4m + 24 = 0
⇒ m(m - 6) - 4(m - 6) = 0
⇒ (m - 4)(m - 6) = 0
⇒ m = 4 and 6
∴ least possible value of m is 4

Quantitative Aptitude - Test 1 - Question 7

If α, β are the roots of the equation 2x2 - 3x + 2 = 0, form the equation whose roots are α2, β2 ?

Detailed Solution for Quantitative Aptitude - Test 1 - Question 7

As per the given data
⇒ α + β = - b/a = - ( - 3)/2 = 3/2
⇒ αβ = c/a = 2/2 = 1
For the new equation roots are α2 and β2
∴ sum of the roots α2 + β2 = (α + β)2 - 2αβ = (3/2)2 - 2(1) = 9/4 – 2 = ¼
Product of the roots = α2β2 = (αβ)2 = 12 = 1
⇒ Required equation = x2 – (sum of the roots)x + product of the roots = 0
⇒ x2 – (1/4)x + 1 = 0
⇒ 4x2 - x + 4 = 0

Quantitative Aptitude - Test 1 - Question 8

The four triangles formed by joining the pairs of mid points of the sides of a given triangle are congruent if the given triangle is

Detailed Solution for Quantitative Aptitude - Test 1 - Question 8

It is possible for only an equilateral triangle as all the corresponding sides and all the corresponding angles are equal

Quantitative Aptitude - Test 1 - Question 9

In the ΔABC, ∠B = 70° and ∠C = 30°, BO and CO are the angle bisectors of ∠ABC and ∠ACB. Find the value of ∠BOC

Detailed Solution for Quantitative Aptitude - Test 1 - Question 9

As per the given data
⇒ ∠B = 70° and ∠C = 30°
∴ ∠OBC = 70/2 = 35° and ∠BCO = 30/2 = 15°
We know that sum of the angles in a triangle = 180°
⇒ ∠BOC + ∠OBC + ∠BCO = 180°
⇒ 35 + 15 + ∠BOC = 180°
⇒ ∠BOC = 180 – 50 = 130°
∴ the value of ∠BOC = 130°

Quantitative Aptitude - Test 1 - Question 10

The area of a trapezium is 441 sq.cm and the ratio of parallel sides is 5 : 9. Also the perpendicular distance between them is 21 cm, the longer of parallel sides is

Detailed Solution for Quantitative Aptitude - Test 1 - Question 10

From the given data
Let the ratio of parallel sides be 5x : 9x
Also given that perpendicular distance between them h = 21 cm
we know that area of trapezium = ½ (a + b)h
⇒ 441 = ½ (5x + 9x) 21
⇒ 21 = ½ (14x)
⇒ 42 = 14x
⇒ x = 3
Substitute the value of x in 5x and 9x
⇒ 5x = 5(3) = 15 cm
⇒ 9x = 9(3) = 27 cm
∴ longer side of the parallel side = 27 cm

Quantitative Aptitude - Test 1 - Question 11

If cos A = 3/5 and sin B = 5/13, find the value of tan (A + B) is

Detailed Solution for Quantitative Aptitude - Test 1 - Question 11

As per the given data,
Given that cos A = 3/5
4/5 and tan A = SinA/CosA = 4/3
Also given that sin B = 5/13
12/13 and tan B = SinB/CosB = 5/12
We know that

Quantitative Aptitude - Test 1 - Question 12

When a number is divided by 13, the remainder is 11. When the same number is divided by 17, the remainder is 9. What is the number?

Detailed Solution for Quantitative Aptitude - Test 1 - Question 12

From the given data
Let the number be x
We know that dividend = divisor × quotient + remainder
⇒ x = 13p + 11…eq 1
Also given that when the same number is divided by 17, the remainder is 9
⇒ x = 17q + 9...eq 2
From eq 1 and eq 2, we get
⇒ 13p + 11 = 17q + 9
⇒ 17q – 13p = 2
⇒ q = ( 2 + 13p)/17
The least value of p for which q = (2 + 13p)/17 is a whole number is p = 26
Substitute p = 26 in x = 13p + 11
⇒ x = 13× 26 + 11
⇒ x = 349

Quantitative Aptitude - Test 1 - Question 13

A shop keeper sells an article at 20% loss. If he sells it for 100 more, he would earn a profit of 10%.The cost price is

Detailed Solution for Quantitative Aptitude - Test 1 - Question 13

As per the given data
Let the cost price be x and selling price be y
Given that shopkeeper sells an article at 20% loss
⇒ x – 20x/100 = y
⇒ 80x/100 = y
⇒ x = 5y/4
⇒ 4x - 5y = 0.…eq 1
Also given that if he sells it for 100 more, he would earn a profit of 10%
⇒ x + 10/100 x = y + 100
⇒ 11x = 10y + 1000
⇒ 11x - 10y = 1000.…eq 2
Multiply eq 1 with 2 , we get
⇒ 8x – 10 y = 0 …eq 3
⇒ subtract eq 3 from eq 2 , we get
⇒ 3x = 1000
⇒ x = 333.33
Therefore cost price of the article = Rs.333.33

Quantitative Aptitude - Test 1 - Question 14

Average of 100 numbers is 50. If the two numbers 60 and 80 are discarded, then find the average of the remaining numbers ?

Detailed Solution for Quantitative Aptitude - Test 1 - Question 14

As per the given data,
Average of 100 numbers = 50
⇒ (x1 + x2 + ….. + x100)/100 = 50
⇒ x1 + x2 + ….. + x100 = 5000
⇒ x1 + x2 + … + x98 = 5000 - 60 - 80
⇒ x1 + x2 + … + x98 = 4860
∴ sum of the 98 numbers = 4860
⇒ average of 98 numbers = 4860/98 = 49.6

Quantitative Aptitude - Test 1 - Question 15

The difference between simple interest received from two different sources for Rs.13,000 for 2 years is Rs. 65. Then the difference between their rates of interest?

Detailed Solution for Quantitative Aptitude - Test 1 - Question 15

As per the given data
Let their simple interest be I1 and I2
Let their rate of interest be R1 and R2
⇒ I1 – I2 = (PTR1/100 – PTR2/100)
⇒ I1 – I2 = (R1 - R2) (PT/100)
⇒ 65 = (R1 - R2) (13000 × 2/100)
⇒ R1 - R2 = ¼ = 0.25

Quantitative Aptitude - Test 1 - Question 16

will be equal to

Detailed Solution for Quantitative Aptitude - Test 1 - Question 16

Quantitative Aptitude - Test 1 - Question 17

If a – b = 3 and a2 + b2 = 29, find the value of a + b ?

Detailed Solution for Quantitative Aptitude - Test 1 - Question 17

As per the given data,
⇒ a – b = 3
Squaring on both sides, we get
⇒ a2 + b2 - 2ab = 9
⇒ 29 – 2ab = 9
⇒ 29 – 9 = 2ab
⇒ 20 = 2ab
⇒ ab = 10
We know that (a + b)2 = a2 + b2 + 2ab
⇒ (a + b)2 = 29 + 2(10) = 49
⇒ a + b = √49 = ±7

Quantitative Aptitude - Test 1 - Question 18

In ∆ABC, AB = 12 cm, BC = 10 cm and AC = 6 cm. Find the approximate length of the median from vertex A.

Detailed Solution for Quantitative Aptitude - Test 1 - Question 18

As per the given data
Let AD be the length of the median subtending from vertex A and to the side BC
⇒ BD = DC = BC/2 = 10/2 = 5 cm
By Apollonius theorem, we get
⇒ AB2 + AC2 = 2 (AD2 + BD2)
⇒ 122 + 6= 2 (AD2 + 52)
⇒ 90 = AD2 + 25
∴ length of the medium = AD = 8.06 ≈ 8 cm

Quantitative Aptitude - Test 1 - Question 19

Two arcs of two different circles are of equal lengths. If these arcs subtend angles of 30° and 60° at the centers of their respective circles, find the ratio of the radii of the two circles.

Detailed Solution for Quantitative Aptitude - Test 1 - Question 19

As per the given data
Let rand r2 be the radii of the two circles and l be the length of the each arc
We know that l = r θ
⇒ r1θ1 = r2θ2
⇒ r1/r2 = θ21
⇒ r1/r2 = (π/3)/(π/6)
⇒ r1/r2 = 6/3 = 2/1
∴ the required ratio = 2 : 1

Quantitative Aptitude - Test 1 - Question 20

The area of a square and circle is same and the perimeter of square and equilateral triangle is same, then the ratio between the area of circle and the area of equilateral triangle is

Detailed Solution for Quantitative Aptitude - Test 1 - Question 20

From the given data
Let the each side of a square be a, then its area will be a2
∴ area of circle will also be a2
Also given that the perimeter of square and equilateral triangle is same,
⇒ 4a = 3s
the each side of equilateral triangle is 4a/3
∴ area of equilateral triangle = √3/4 × (4a/3)2 = 4√3 a2/9
∴ ratio between the area of circle and the area of equilateral triangle = a2/(4√3 a2 × 9) = 9 : 4√3

Quantitative Aptitude - Test 1 - Question 21

There are two buildings, one on each bank of a river, just opposite to each other. One building is 36 m high. From the top of the this building, the angles of depression of the top and foot of the other building are 30° and 45° respectively. Find the height of the other building?

Detailed Solution for Quantitative Aptitude - Test 1 - Question 21

As per the given data,
Let AB and CD be the two buildings, and AC be the river with a length of x meters

Let us consider AB be the building of height = 36 m and CD be the height of other building of h meters
⇒ ∠ACB = 45° and ∠EDB = 30°
From ΔABC, we get
⇒ AB/AC = tan 45°
⇒ 1 = AB/AC
⇒ AB = AC = 36 m
∴ DE = AC = 36 m
From ΔEDB, we get
⇒ tan 30° = BE/DE
⇒ 1/√3 = BE/DE
⇒ BE = DE/√3 = 36/√3 = 20.7 m
We know that CD = AE = AB – BE = (36 - 20.7) m = 15.3 m
∴ height of the other building = 15.3 m

Quantitative Aptitude - Test 1 - Question 22

Directions: The pie - chart shows the percentage of expenditure spend by school on different sports. If the amount of total expenditure is Rs. 5,00,000. Study the diagram and answer the following questions.
Expenditure​

Q. ​Find the amount of expenditure that is spend on tennis?

Detailed Solution for Quantitative Aptitude - Test 1 - Question 22

As per the given data
Percentage of expenditure that is spend on tennis = 10%
Amount of expenditure that is spend on tennis = 10/100 × 5,00,000 = Rs.50,000

Quantitative Aptitude - Test 1 - Question 23

Directions: The pie - chart shows the percentage of expenditure spend by school on different sports. If the amount of total expenditure is Rs. 5,00,000. Study the diagram and answer the following questions.
Expenditure​

Q. ​Find the ratio of expenditure that is spend on cricket and hockey?

Detailed Solution for Quantitative Aptitude - Test 1 - Question 23

From the given data
Percentage of expenditure that is spend on cricket = 18%
Amount of expenditure that is spend on cricket = 18/100 × 5,00,000 = Rs. 90,000
Percentage of expenditure that is spend on hockey = 13%
Amount of expenditure that is spend on hockey = 13/100 × 5,00,000 = Rs. 65,000
∴ ratio of expenditure that is spend on cricket and hockey = 90,000 : 65,000 = 18 : 13

Quantitative Aptitude - Test 1 - Question 24

Directions: The pie - chart shows the percentage of expenditure spend by school on different sports. If the amount of total expenditure is Rs. 5,00,000. Study the diagram and answer the following questions.
Expenditure​

Q. How much expenditure more is spent on basketball than football?

Detailed Solution for Quantitative Aptitude - Test 1 - Question 24

From the given data
Percentage of expenditure that is spend on basketball = 34%
Amount of expenditure that is spend on basketball = 34/100 × 5,00,000 = Rs. 1,70,000
Percentage of expenditure that is spend on football = 25%
Amount of expenditure that is spend on football = 25/100 × 5,00,000 = Rs. 1,25,000
Difference of expenditure that is spend on basketball and football = 170000 - 125000 = Rs. 45,000
∴ Amount of Rs. 45,000 more is spend on basketball than football

Quantitative Aptitude - Test 1 - Question 25

Directions: The pie - chart shows the percentage of expenditure spend by school on different sports. If the amount of total expenditure is Rs. 5,00,000. Study the diagram and answer the following questions.
Expenditure​

Q. Find the ratio of expenditure on football to the total expenditure?

Detailed Solution for Quantitative Aptitude - Test 1 - Question 25

From the given data
Total expenditure spend on all the sports = Rs. 5,00,000
Percentage of expenditure that is spend on football = 25%
Amount of expenditure that is spend on football = 25/100 × 5,00,000 = Rs. 1,25,000
∴ ratio of expenditure that is spend on football to the total expenditure = 1,25,000 : 5,00,000 = 1 : 4

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SSC CGL Tier 1 Mock Test Series 2024

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