Delhi Police PC · Quantitative Aptitude
Percentage applications and changes.
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Q1 · Percentage · EASY
In a school, 40% of the students are girls. If there are 360 boys in the school, what is the total number of students?
Q2 · Percentage · MEDIUM
A man spends 75% of his income. If his income increases by 20% and he increases his expenditure by 10%, by what percentage does his savings increase?
Q3 · Percentage · MEDIUM
The price of sugar increases by 25%. By what percentage should a housewife reduce her consumption so that her expenditure on sugar remains the same?
Q4 · Percentage · EASY
In an election between two candidates, one candidate gets 65% of the votes and wins by 1800 votes. What is the total number of votes polled?
Q5 · Percentage · MEDIUM
A man's salary is increased by 20% and then decreased by 10%. What is the net percentage change in his salary?