Quantitative Aptitude

Percentage

482 Questions

All Successive Percentage Changes 177 Population Growth and Depreciation 103 Fractional Base Multiplication 58 Reverse More-Than and Less-Than Comparisons 38 Income, Expenditure, and Savings 33 Price and Consumption 30 Election Votes and Margins 10 Fake Weight and Faulty Measures 10 Venn Diagram Percentages 9 Passing Marks Shifts 5 Fresh vs. Dry Mixture 2

Percentage Questions

Multiple choice

The present population of a village is 1,15,200.If it increases at the rate of $6\frac {2}{3}$% per annum, find (i) its population after 2 years and (ii) its population 2 years ago

1,31,072;1,01,250
1,01,250;1,31,072
1,22,880;1,08,000
1,08,000;1,22,880

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Multiple choice

The population of a small village 2 years ago was 3,125. Due to migration to towns, it decreases every year at the rate of 4% per annum. Find the present population

2,980
2,880
2,890
2,900

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Multiple choice

The population of small town is increased by $\frac {15}{2}$% per annum for two years. If the present population is 73,960, then two years before the population was

68,000
70,000
64,000
60,000

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Multiple choice

The enrolment in a school increases from 1200 to 1254. Then the percentage increase in the enrolment is

4.5%
5%
5.5%
6.0%

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Multiple choice

Shweta obtained $18$ marks in a test of $25$ marks. What was her percentage of marks?

$60\%$
$66\%$
$69\%$
$72\%$

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Multiple choice

What is the percentage decrease, if a number reduces from $70$ to $42$?

$10\%$
$25\%$
$35\%$
$40\%$

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Multiple choice

In a certain population, only $0.03$ percent of the people have physical trait X. On the average, it will be necessary to screen how many people to find six percent of them with trait X?

$180$
$200$
$1800$
$20000$

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Multiple choice

The population of a town increased from $70,000$ to $71,050$. Find the increase per cent

$0.15$%
$15$%
$1.5$%
$3$%

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Multiple choice

The population of a town is $155625$. For ever $1000$ males there are $1075$ females. If $40\%$ of the males and $24\%$ of the females are literate, find the percentage of literacy in the town.

$33.7$
$32.7$
$31.7$
$30.7$

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Multiple choice

If the length and height of a brick increases by 10 % each respectively, and the breadth reduces by 20 %, what is the percentage change in the volume of the brick?

$2.8$
$3.0$
$3.2$
$3.6$

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Multiple choice

If a number is decreased by $10$% it becomes $54$. By what per cent should it be increased to make it $72$?

$12$%
$21$%
$10$%
$20$%

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Multiple choice

If Ram's salary went up by $25\% $, then by what percent should it be brought down to bring it to its initial value?

$25\% $
$20\% $
$33.33\% $
$37.5\% $

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Multiple choice

Jane is playing a board game in which she must collect as many cards as possible. On her first turn, she loses $18$ percent of her cards. On the second turn, she increases her card count by $36$ percent. If her final card after these two turns is n, which of the following represents her starting card count in terms of n?

$\dfrac{n}{(1.18)(0.64)}$
$(1.18)(0.64)n$
$\dfrac{n}{(1.36)(0.82)}$
$(0.82)(1.36)n$

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Multiple choice

Julie has a square fence that enclosed her garden. She decided to expand her garden by making each side of the fence $10$ percent longer. After this expansion, the area of julie's graden will have increased by what percent?

$20%$
$21%$
$22%$
$25%$

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Multiple choice

$\dfrac{5}{9}$ part of the population in a village are males. If $30\%$ of the males are married, the percentage of unmarried females in the total population is?

$20\%$
$27\dfrac{7}{9}\%$
$40\%$
$70\%$

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