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