1.

In a groupof400 people, 250speak Hindi, 200 speak EnglishHow many people speak both Hindiand English​

Answer»

Step-by-step explanation:

USE SET formula

A INTERSECTION B = SET A + SET B - A UNION B.

= 250 + 200 - 400 = 450 - 400 = 50

Hence 50 people can speak both HIndi and English

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