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Question

What is the differences between the total number of people who did not vote at centers A and B together and that who did not vote at centers D and E together? Number of voters at 5 different centers A,B,C,D,E

Centre Total number of registered voters Percentage of people who voted(out of the total number of registered voters)
A 2100 80
B 1750 80
C 3000 70
D 2400 76
E 2000 85

A
80
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B
60
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C
118
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D
106
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Solution

The correct option is D 106
Total number of people who did not vote at centers A and B,

NI=2100×(10080)100+1750×(18080)100=770

Similarly, total number of people who did not vote a centers D and E.

NII=2400×(10076)100+2000×(10085)100=876

So, the difference, NIINI=876776=106

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