if 20 people like mango and 25 people like apple's there are 8 people like both find who many like either mongo or apple
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45 people like either mango or apple.
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1
Given : 20 people like mango and
25 people like apple's
there are 8 people like both
To find : how many like either mango or apple
Solution:
Like Mango M = 20
Like Apple A = 25
Like Both = (M ∩ A) = 8
like either mango or apple M U A
M U A = M + U - M ∩ A
=> M U A = 20 + 25 - 8
=> M U A = 37
37 like either mango or apple
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