Math MCQs

Math MCQs

Quantitative Ability multiple choice questions (MCQs) Post-9. The following Quantitative Ability questions are from percentage.

Question 1

If the base of a rectangle is increased by 40% and its altitude is decreased by 20%, then its area is:

decreased by 20%
increased by 12%
decreased by 12%
increased by 16%


Question 1: The correct answer is Answer 2: increased by 12%.

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~ QA P9 Q1 ~

Question 2

If x% of y is 20, then y =

2000x
100/x
2000/x
x/200


Question 2: The correct answer is Answer 3: 2000/x.

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~ QA P9 Q2 ~

Question 3

12 is (1/3)% of what number ?

4
400
36
3600


Question 3: The correct answer is Answer 4: 3600.

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~ QA P9 Q3 ~

Question 4

If p is a positive number, 400% of p is what percent of 400 p ?

4
25
40
1


Question 4: The correct answer is Answer 4: 1.

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~ QA P9 Q4 ~

Question 5

What is 10% of 30% of 40% ?

0.12%
0.012%
12%
1.2%


Question 5: The correct answer is Answer 4: 1.2%.

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~ QA P9 Q5 ~

Question 6

What percent of 75 is x ?

3/4 - x
(4/3)x
4x
3x


Question 6: The correct answer is Answer 2: (4/3)x.

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~ QA P9 Q6 ~

Question 7

If 35 students took an exam and 13 of them failed, what percent of them passed ?

20% approx
63% approx
25% approx
22% approx


Question 7: The correct answer is Answer 2: 63% approx.

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~ QA P9 Q7 ~

Question 8

There are twice as many boys as girls in an economics class. If 20% of the boys and 35% of the girls have already handed over their result cards, what percent of the students have not yet handed over their cards ?

75
65
55
15


Question 8: The correct answer is Answer 1: 75.

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~ QA P9 Q8 ~

Question 9

A dealer bought an ornamental jar for Rs. 7,000 and after some days sold it for Rs. 21,000. By what percent did the value of jar increase ?

300
200
150
20


Question 9: The correct answer is Answer 2: 200.

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~ QA P9 Q9 ~

Question 10

On a test consisting of 60 problems, Sonia solved 75% of first 40 problems correctly. What percent of the other 20 questions does she need to solve correctly for her grade on the entire exam to be 90% ?

95%
65%
85%
cannot achieve 90%


Question 10: The correct answer is Answer 4: cannot achieve 90%.

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~ QA P9 Q10 ~