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In an election, two candidates participated. 20% votes declare invalid and the winner gets 70% of the valid votes and wins by 9600 votes. Find the number of voters.

A35000

B30000

C31000

D28000

Answer:

B. 30000

Read Explanation:

Let the total number of votes be 100x. valid votes = (100 - 20)x = 80x winner gets 70% of valid votes and the loser gets 30% difference between the winner and loser votes ⇒ (70% - 30%) of 80x ⇒ 40% of 80x ⇒ 32x = 9600 ⇒ x = 300 no. of voters = 100x ⇒ 100 × 300 ⇒ 30000


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