JSpiders_Percentages assignments 1
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This document contains 5 multiple choice questions about percentages. Question 1 asks about increasing a number by 10% and then decreasing it by 10%. Question 2 provides a number decreased by 20% and asks for the original number. Question 3 asks about the percentage one number is smaller than another if one is 25% greater. Question 4 provides data about votes in an election including invalid votes and asks for the total enrolled votes. Question 5 gives data about population growth over 2 years in a town and asks for the original population 2 years prior.
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JSpiders_Percentages assignments 1
- 1. 1. When a number is first increased by 10% and then reduced by 10%, The number is: A.) Does not change B.) Decreases by 1% C.) Increases by 1% D.) None of these 2. Number decreased by 20% gives 480. The number is: A.) 500 B.) 600 C.) 550 D.) None of these . If A is 25% greater than B then how much percentage is B smaller than A? A.) 20% B.) 25% C.) 28% D.) 21% . In an election between two candidates, 10% of votes are were declares invalid. First candidate got 1800 votes which were 60% of the total valid votes . The
- 2. total number of votes enrolled in that election was: A.) 3000 votes B.) 5400 votes C.) 10000 votes D.) 12000 votes The population of a town increases 10% and 20% respectively in two consecutive years. After the growth the present population of the town is 13200. Then what is the population of the town 2 years ago? A.) 10010 B.) 10001 C.) 10000 D.) 10100