Q In an election, 30% of the voters voted for candidate A whereas 60% of the remaining voted for candidate B . The remaining voters did not vote. If the difference between those who voted for candidate A and those who did not vote was 1200, how many individuals were eligible for casting vote in the election ?
Solution
Correct Answer: Option C
Let the number of persons eligible to vote be x.
Then,
voters who voted for A = 30% of x.
Voters who voted for B = 60% of (70% of x).
= 42% of x =(60100∗70100∗100)% of x
= 42% of x.
Voters who did not vote = [100 - (30 + 42)]% of x = 28% of x.
∴ 30% of x - 28% of x= 1200
=> 2% of x= 1200
=> x = {1200 X (100/2)} =60000.
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