DevSquare Quantitative Aptitude Percentages Questions

June 24, 2019

Question 1

Time: 00:00:00
A batsman scored 110 runs which included 3 boundaries and 8 sixes. What percent of his total score did he make by running between the wickets?

45%

45%

45 ( 5/11) %

45 ( 5/11) %

54 ( 6/11) %

54 ( 6/11) %

55%

55%

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r=3*4+8*6 r=60 total=110 runs=110-60=50 p=50/110*100=45.4

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here we first given that he score 3 boundaries and 8 sixes then 110 - (3*4+8*6) =110 - (12+48) =110 - (60) =50 now calculate running between runs (50/110) * 100 =5/11% or 45%

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678

Question 2

Time: 00:00:00
Two students appeared at an examination. One of them secured 9 marks more than the other and his marks were 56% of the sum of their marks. The marks obtained by them are:

39, 30

39, 30

41, 32

41, 32

42, 33

42, 33

43, 34

43, 34

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Question 3

Time: 00:00:00
A fruit seller had some apples. He sells 40% apples and still has 420 apples. Originally, he had:

588 apples

588 apples

600 apples

600 apples

672 apples

672 apples

700 apples

700 apples

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Question 4

Time: 00:00:00
If A = x% of y and B = y% of x, then which of the following is true?

A is smaller than B.

A is smaller than B.

A is greater than B

A is greater than B

Relationship between A and B cannot be determined.

Relationship between A and B cannot be determined.

If x is smaller than y, then A is greater than B.

If x is smaller than y, then A is greater than B.

None of these

None of these

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Both are same

Question 5

Time: 00:00:00
If 20% of a = b, then b% of 20 is the same as:

4% of a

4% of a

5% of a

5% of a

20% of a

20% of a

None of these

None of these

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Question 6

Time: 00:00:00
Two numbers A and B are such that the sum of 5% of A and 4% of B is two-third of the sum of 6% of A and 8% of B. Find the ratio of A : B.

2 : 3

2 : 3

1 : 1

1 : 1

3 : 4

3 : 4

4 : 3

4 : 3

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Question 7

Time: 00:00:00
How much 60% of 50 is greater than 40% of 30?

18

18

13

13

15

15

20

20

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Question 8

Time: 00:00:00
The tax on a commodity is diminished by 20% and its consumption increased by 15%. The effect on revenue is?

It increases by 8%

It increases by 8%

It decreases by 8%

It decreases by 8%

No change in revenue

No change in revenue

It increases by 10%

It increases by 10%

None

None

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formula : -a+b-((ab)/100) By substituting the value: -20 + 15 - ((20 * 15) / 100) = -8

Question 9

Time: 00:00:00
At an examination in which full marks were 500. A got 10% less than B, B got 25% more than C and C got 20% less than D. If A got 360marks, what percentage of full marks was obtained by D?

70%

70%

90%

90%

71.2%

71.2%

75%

75%

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correct answer is 80 percent a=360 therefore,360=90/100*B B=400 now C 400=125/100*C C=320 now D 320=80/100*D D=400 therefore percentage of D became 400/500*100=80%

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