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Educational materials for IPMAT and IIMB UG preparation
8ย years ago
Inan election only two candidates contested. 30% of the registered voter did not cast there votes and 180 votes were declared invalid. The winner got 684 votes more than his opponent. The number of valid votes receivedย by the winner is 42% of the number of registered voters. How many registered voters cast their votes?
8ย years ago
Winner Valid Votes (W.V.V)
Winner Invalid Votes (W.I.V)
Loser Valid Votes (LVV)
Loser Invalid Votes (LIV)
Never Voted (N.V)
Total Votes
let total votes be 100x
thenย
T.V = WVV+WIV+LVV+LIV+NV
(WIV+LIV = 180)
100X = 42X + 180+ 30X + LVV
In comparing the votes of loser and winner, the valid votes only be counted so,ย
LVV = WVV - 684 = 42x-684
So,ย
100X = 42X + 180 + 30X + 42X-684
X = 36
So, 100X = 3600,
So, Who voted = total - DN = 3600 - 30*36 = 2520
Happy :)
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