In an election between two political leaders 10% of the voters did not cast their vote. 10% of the votes polled were found invalid. The successful political leader got 54% of the valid, votes and won by a majority of 3240 votes. The number of voters enrolled on the voters list was :
Choose one:
A) 30000	B) 50000	C) 33000	D) 40000	E) 45000
Explanation :   Solution: Let the 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)] = 3240.   8% of[90% of(90% of x)] = 3240.   8/100 * 90/100 * 90/100 * x = 3240   x = (3240*100*100*100)/(8*90*90)= 
<gadget id="calculator">(3240*100*100*100)/(8*90*90)</gadget>
<output>50_000</output>
50000   Answer : 50000
<result>B</result>
In an election between two political leaders 10% of the voters did not cast their vote. 10% of the votes polled were found invalid. The successful political leader got 54% of the valid, votes and won by a majority of 3240 votes. The number of voters enrolled on the voters list was :