10% of the voters did not cast their vote in an election between two candidates. 10% of the votes polled were found
invalid. The successful candidate got 54% of the valid votes and won by a majority of 1620 votes. The number of voters enrolled on the voters list was :
Let the total number of voters be `x`. Then , votes polled = 90% of `x`
Valid votes = 90% of (90% of `x`)
`:.` 54% of [90% of (90% of `x`)] - 46% of [90% of (90% of `x`)] = 1620
`hArr` 8% of [90% of (90% of `x`)]= 1620
`hArr 8/100 xx 90/100 xx 90/100 xx x` = 1620 `hArr x = ((1620 xx 100 xx 100 xx 100)/(8 xx 90 xx 90))`= 25000.
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