Percentages Quiz 8 April 9, 2012 by kumar Leave a Comment 1. If 20% of 40% of a = 25% of a% of b, then what is b?A. 16/25B. 8/25C. 8/5D. 16/5 2. By what % is 200 more than 50?A. 150B. 350C. 300D. 400 3. A value changes from 30 to 80. What is the percentage change?A. 166.66B. 169.89C. 154D. 149 4. The population of a city is increased by 30% and thus became 78000. What is the original population?A. 60000B. 56000C. 35000D. 45000 5. In a theatre, the number of seats is increased by 20% and the price per ticket is increased by 10% but the public response decreased by 30%. What is the net effect on the economy of the theatre?A. 7% RaiseB. 7% FallC. 10% FallD. 10% Raise 6. A saves 20% of his income. His income is increased by 20% and so he increased his expenditure by 30%. What is the percentage change in his savings?A. 20% Raise B. 20% FallC. 25% RaiseD. 25% Fall 7. The price of petrol is increased by 25%. By what percent the consumption be reduced to make the expenditure remain the same?A. 5%B. 10%C. 15%D. 20% 8. The side of a square is increased by 20%. The percentage change in its area is ___ %A. 41B. 22C. 63D. 44 9. If the length of a rectangle is increased by 33.33%, by what percentage should the breadth be reduced to make the area same?A. 44 %B. 20 %C. 35 %D. None 10. In an election between two candidates, A and B, A secured 56% of the votes and won by 48000 votes. Find the total number of votes polled if 20% of the votes were declared invalid.A. 140000B. 300000c. 400000D. 600000 Related posts: Percentages Quiz 1 Percentages Quiz 2 Percentages Quiz 3 Percentages Quiz 4 Percentages Quiz 5 Percentages Quiz 6 Percentages Quiz 7

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