There were 600 students in a school. Each offered either English or Hindi or Both . If 75% offered English and 45% Hindi, how many offered both?

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Accepted Answer

n(A) = 75% of 600 = 450 n(B) = 45% of 600 = 270 and n(A ∪ B) = 600 ∵ n(A∩B) = n (A) + n(B) - n(A∪B) = (450 + 270 - 600) = 120

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