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Question

A survey show that 73% of the indians like apples, where as 65% like oranges. What percentage of indian like both apples and oranges?

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Solution

Let the total number of people be 100x
Given 73% of total people like oranges =73x100×100=73x
65% like oranges =65100×100x=65x
P(AB)=P(A)+P(B)P(AB)
P(AB)=P(A)+P(B)P(AB)
=73x+65x100x
=38x
Percentage of Indian like both apples and oranges =38x100x×100=38%

1210801_1398235_ans_343b1928e09e47f5a6814fdf39cda3c4.jpg

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