Explore topic-wise MCQs in Quantitative Aptitude.

This section includes 51 Mcqs, each offering curated multiple-choice questions to sharpen your Quantitative Aptitude knowledge and support exam preparation. Choose a topic below to get started.

1.

In an examination, 30% of the total examiners failed. If he number of pass examinees were 350, the total number of examinees is

A. 475
B. 500
C. 530
D. 550
Answer» C. 530
2.

A man's wages were decreased by 50%. Again the reduced wages were increased by 50%. He has a loss of

A. 20%
B. 25%
C. 28%
D. 30%
Answer» C. 28%
3.

Ram's salary is 20% less than Hari, then how many percent Hari's salary more than that of Ram ?

A. 18%
B. 20%
C. 23%
D. 25%
Answer» E.
4.

0.05 is how many percent of 40

A. 0.135
B. 0.130
C. 0.125
D. 0.120
Answer» D. 0.120
5.

The income of a broken remains uncharged through the rate of the commission is increased from 3% to 4%. The percentage of slump in bussinedd is

A. 20%
B. 25%
C. 30%
D. 35%
Answer» C. 30%
6.

40% of ? = 120

A. 250
B. 280
C. 285
D. 300
Answer» E.
7.

The price of an article has been reduced by 20%. In order to restore it to the original price, the new proce must be increased by

A. 23%
B. 25%
C. 26%
D. 27%
Answer» C. 26%
8.

The length and breadth of a rectangle are increased by 5% and 10% respectively. The area of the new rectangle so formed exceeds the area of former by

A. 14.2%
B. 15.5%
C. 16.3%
D. 18.5%
Answer» C. 16.3%
9.

a is 5 times as large as b. The percent that b is less than a is

A. 80%
B. 85%
C. 90%
D. 95%
Answer» B. 85%
10.

A student who secures 20% marks in a test fails by 30 marks. Another student who secures 32% marks get 42 marks more than those required to pass. Pass percentage of marks is

A. 25%
B. 28%
C. 30%
D. 35%
Answer» B. 28%
11.

What percent is 5% of 7% ?

A. 51 3/7%
B. 63 3/7%
C. 71 3/7%
D. 79 3/7%
Answer» D. 79 3/7%
12.

The price of an article has been reduced by 20%. In order to restore

A. 49
B. 46
C. 45
D. 42
Answer» E.
13.

When a number is first increased by 10% and then reduced by 10% the number

A. 1%
B. 2%
C. 5%
D. 10%
Answer» B. 2%
14.

Which number is 40% less than 70 ?

A. 49
B. 46
C. 45
D. 42
Answer» E.
15.

If the side of a square is decreased by 10% then its area is decreased by ?

A. 10%
B. 12%
C. 16%
D. 19%
Answer» E.
16.

What is 30% of 30% equal to ?

A. 0.06
B. 0.09
C. 0.12
D. 0.15
Answer» C. 0.12
17.

If the price of sugar falls by 5%, by how much percent must a house holder increase its consumption, so as not to decrease its expenditure on sugar ?

A. 3 3/19 %
B. 5 5/19 %
C. 7 7/19 %
D. 9 9/19 %
Answer» C. 7 7/19 %
18.

x % of y is y % of ?

A. x
B. xy
C. xy2
D. x2
Answer» B. xy
19.

By how much is 30% of 80 greater than 56 of 24 ?

A. 3
B. 4
C. 5
D. 7
Answer» C. 5
20.

4 liters of water is added to 20 liters of a mixture of a 40% solution of alcohol in water. The strength of alcohol is now ?

A. 23 1/3 %
B. 27 1/3 %
C. 33 1/3 %
D. 37 1/3 %
Answer» D. 37 1/3 %
21.

If 10% of A = 20% of B = 1/5 of C, then A:B:C is

A. 2:1:1
B. 1:2:1
C. 1:1:2
D. 1:2:2
Answer» B. 1:2:1
22.

10% of the voters in an election did not cast their votes. In the election, there were only two candidates. The winner by obtaining 50% of the total votes defeated his contestent by 1100 votes. The total number of voters in the election was.

A. 5000
B. 6500
C. 8000
D. 11000
Answer» E.
23.

Out of an earning of Rs. 800 a man spends 60%. How much does he save ?

A. Rs. 140
B. Rs. 270
C. Rs. 320
D. Rs. 410
Answer» D. Rs. 410
24.

How is 2/5 expressed as percentage ?

A. 20%
B. 30%
C. 40%
D. 50%
Answer» D. 50%
25.

Two numbers are less than a third number by 30% and 37% respectively. How much percent is the second number less than the first ?

A. 10%
B. 20%
C. 35%
D. 40%
Answer» B. 20%
26.

20% of a number is less than 15% of 550 by 10. The number is

A. 215/2
B. 577/2
C. 807/2
D. 925/2
Answer» E.
27.

12% of 980 - ? % of 450 = 30% of 225

A. 103/17
B. 111/15
C. 117/17
D. 167/15
Answer» E.
28.

y% of y is the same as 10% of

A. y/10
B. y2/10
C. y/100
D. y2/100
Answer» C. y/100
29.

How is ½% expressed as a decimal fraction ?

A. 0.005
B. 0.010
C. 0.015
D. 0.050
Answer» B. 0.010
30.

A number is first increased by 40% and then reduced by 40%. What would be the percentage change in the number ?

A. 12%
B. 16%
C. 19%
D. 21%
Answer» C. 19%
31.

If the price of pencil is reduced by 20%, a person can buy 2 more pencils for a rupee. How many pencils are available for a rupee ?

A. 5
B. 8
C. 12
D. 18
Answer» C. 12
32.

Of the 1000 inhabitants of a town, 60% are females of whom 20% are literate. If of all the inhabitants 25% are literate, then what percent of the males of the town are literate

A. 32.5%
B. 33.4%
C. 35.9%
D. 42.5%
Answer» B. 33.4%
33.

In measuring the sides of a rectangle errors of 5% and 3% in excess are made. The error percent in the calculated area is

A. 5.25%
B. 8.15%
C. 9.12%
D. 11.23%
Answer» C. 9.12%
34.

The sum of two numbers is 2490. If 6.5% of one number is equal to 8.5% of the other, then the numbers are

A. 1025
B. 1158
C. 1411
D. 1735
Answer» D. 1735
35.

10% of the electorate did not cast their votes in an election between two candidates. 10% of the votes polled were found invalid. The successful candidate got 54% of the valid votes and won by a majority of 1620 votes. The number of voters enrolled on the voters list was

A. 15000
B. 18000
C. 22000
D. 25000
Answer» E.
36.

After reducing the salary of a man by 50% and subsequently it is increased by 40%. The loss is

A. 10%
B. 20%
C. 25%
D. 30%
Answer» E.
37.

The price of petrol is increased by 20%. By how much percent a car owner should reduce his consumption of petrol so that the expenditure on the petrol would not be increased ?

A. 13(2/3)%
B. 14(1/5)%
C. 16(2/7)%
D. 16(2/3)%
Answer» E.
38.

In two successive years, 100 and 80 students of a school appeared at the final examination. Respectively 75% and 60% of them passed. Teh average rate of fail is

A. 28.75%
B. 31.66%
C. 32.54%
D. 37.45%
Answer» C. 32.54%
39.

In two successive years, 200 and 150 students of a school appeared at the final examination. Respectively 70% and 60% of them passed. The average rate of pass is

A. 63.25%
B. 65.12%
C. 65.71%
D. 66.10%
Answer» D. 66.10%
40.

The quantity of water that should be added to reduce 10ml lotion containing 60% alcohol to a lotion containing 40% alcohol is

A. 5 ml
B. 8 ml
C. 11 ml
D. 13 ml
Answer» B. 8 ml
41.

A reduction of 20% in the price of rice enables a person to buy 3.5 Kg more rice for Rs. 385. The original price of the rice is

A. Rs. 25.50 /Kg
B. Rs. 26 /Kg
C. Rs. 27.50 /Kg
D. Rs. 28.50 /Kg
Answer» D. Rs. 28.50 /Kg
42.

Fresh fruit contains 60% water and dry fruit contains 20% water. How much dry fruit can be obtained from 200Kg of fresh fruit ?

A. 90 Kg
B. 100 Kg
C. 110 Kg
D. 120 Kg
Answer» C. 110 Kg
43.

If the numerator of a fraction is increased by 120% and the denominator is increased by 130%, the resultant fraction is 4/15. What is the original fraction ?

A. 33/165
B. 41/165
C. 46/165
D. 51/165
Answer» D. 51/165
44.

Fresh grapes contains 80% water while dry grapes contain 10% water. If the weight of dry grapes is 250 kg, what is the total weight when it was fresh ?

A. 980 Kg
B. 1020 Kg
C. 1125 Kg
D. 1235 Kg
Answer» D. 1235 Kg
45.

In an election between two candidates, 75% of the voters cast their votes, out of which 4% of the voters were declared invalid. A candidate got 9261 votes which were 75% of the total valid votes. The total number of voters enrolled in that election was

A. 16832
B. 17150
C. 18460
D. 18865
Answer» C. 18460
46.

The value of a plant depreciates by 10% annually. If the present value of the plant is Rs. 100000, then what will be its value after 3 years

A. Rs. 43800
B. Rs. 55900
C. Rs. 68100
D. Rs. 72900
Answer» E.
47.

If the numerator of a fraction is increased by 150% and the denominator is increased by 300% the resultant fraction is 5/16. What is the original fraction

A. ½
B. ¼
C. ¾
D. 1/5
Answer» B. ¼
48.

Three candidates in all election received 1136, 7636 and 11628 votes respectively. What percentage of the total votes did the wining candidate get?

A. 45%
B. 51%
C. 53%
D. 57%
Answer» E.
49.

The price of a certain item is increased by 10%. If a consumer wants to keep his expenditure on the item same as before, how much percent must he reduce his consumption of that item

A. 3(1/11)%
B. 5(1/11)%
C. 9(1/11)%
D. 12(1/11)%
Answer» D. 12(1/11)%
50.

Rs. 395 are divided among A, B and C in such a manner that B gets 25% more than A and 20% more than C. The share of A is

A. Rs. 80
B. Rs. 95
C. Rs. 120
D. Rs. 135
Answer» D. Rs. 135