﻿ SSC - CGL Quantitative Aptitude Solved Question Paper 2017 | Previous Year Papers | Zigya

## Subject

Quantitative Aptitude

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# SSCCGL Quantitative Aptitude Solved Question Paper 2017

#### Multiple Choice Questions

55.

If then what is the ratio of P and Q respectively?

• 12 : 77

• 12 : 33

• 28 : 33

• 3 : 28

C.

28 : 33 52.

A, B and C can complete a work in 20, 24 and 30 days respectively. All three of them starts together but after 4 days A leaves the job and B left the job 6 days before the work was completed. C completed the remaining work alone. In how many days was the total work completed?

• 10 days

• 12 days

• 14 days

• 16 days

C.

14 days

Shortcut Method:
Let the total work gets completed in 'x' days.
Now, 56.

The average of 17 results is 60. If the average of first 9 results is 57 and that of the last 9 results is 65, then what will be the value of 9th result?

• 39

• 78

• 117

• 156

B.

78

Value of 9th result
= 9 x 57 + 9 x 65 - 17 x 60
= 513 + 585 - 1020
= 1098 - 1020  = 78

53.

A solid sphere of diameter 17.5 cm is cut into two equal halves. What will be the increase (in cm2) in the total surface area?

• 289 cm2

• 361.5 cm2

• 481.25 cm2

• 962.5 cm2

C.

481.25 cm2

Since the sphere is cut into two equal halves, we will get two hemispheres.
Total Surface area of both hemispheres  = Total Surface area of solid sphere = ∴  Increase in total surface area  60.

A person lent certain sum of money at 5% per annum simple interest and in 15 years the interest amounted to ₹ 250/- less than the sum lent. What was the sum lent (in ₹)?

• ₹ 1,000/-

• ₹ 1,500/-

• ₹ 2,400/-

• ₹ 3,000/-

A.

₹ 1,000/-

Let the sum lent be ₹ x.
According to the question, 59.

A boat goes 15 upstream and downstream in 3 hours 15 minutes. It goes 12 km upstream and 14  km downstream in 3 hours. What is the speed of boat in still water.

• 4 km/hr

• 6 km/hr

• 10 km/h

• 14 km/hr

C.

10 km/h

Let speed of boat with downstream = x km/hr.
speed of boat with upstream = y km/hr.
According to the question, Solving (i) and (ii), we get
x = 14,  y = 6
∴  Speed of boat in still water 54.

After a discount of 34% an article is sold for ₹ 3,168/-. What is the marked price (in ₹) of the article?

• ₹ 4,750/-

• ₹ 4,800/-

• ₹ 4,850/-

• ₹ 5,000/-

B.

₹ 4,800/-

Shortcut Method: 58.

32% of a number exceeds 17% of the same number by 120. What is the value of the number?

• 900

• 860

• 940

• 800

D.

800

Let the number be x.
According to the question, 57.

For an article the profit is 170% of the cost price. If the cost price increases by 20% but the selling price remains same, then what is the new profit percentage?

• 41%

• 50%

• 75%

• 125%

D.

125%

Let the C.P. be ₹ 100. S.P. = ₹ (100 + 170) = ₹ 270
Now, If C.P. is increased by 20%
∴    New C.P. =  ₹ 120,  S.P is same i.e.  = ₹ 270 51.

If X and Y are the two digits of the number 347XY such that the number is completely divisible by 80, then what is the value of X + Y?

• 2

• 4

• 6

• 8

A.

2

If 347XY is divisible by 80 (i.e. 8 x 10), then Y = 0 is the only possibility.
A number is divisible by 8, if its last three digits are divisible by 8.
Last 3 digits i.e. 7X0 should be divisible by 8
So, X = 2
∴   X + Y = 2 + 0 = 2