 # Aptitude - Aptitude-Percentage

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If the side of a square is increased by 10%, its area increased by k%. Find the value of k?

• • • • a
• b
• c
• d

The population of a town is decreased by 20% and 40% in two successive years. What percent population is decreased after two years?

• • • • a
• b
• c
• d

If the salary of Mr. Shashi is first increased by 18% and thereafter decreased by 15%, what is the net change in his salary?

• • • • a
• b
• c
• d

If the price of a commodity decreases by 50%, find how much percent its consumption be increased so as not decrease the expenditure?

• • • • a
• b
• c
• d

If the price of a commodity increases by 50%, find how much percent its consumption be reduced so as not increase the expenditure?

• • • • a
• b
• c
• d