In a group of 800 people, 500 can speak Hindi and 320 can speak English. Find
(i) How many can speak both Hindi and English? (ii) How many can speak Hindi only?
Answers
Answered by
13
Formula used
n(AuB)= n(A)+n(B)-n(AnB)
500+320-20=800
So 800 people speak both
Again
People speak only Hindi
= 500-20
= 480
we can also find
People speak only English
320-20=300
People speak both
=800-( 480+300)
= 20
Answered by
1
n(aub)=n(a)+n(b)-n(anb)
500+320-20=800
800 people speak both
people speak only hindi
=500-20
=480
people speak both
=800-(480+300)
=20
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