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In a school there are 100 students 60 of...

In a school there are 100 students 60 of them don't like chocolate ad 50 don't like Biscuit and 10 of them like none then how many of them like both ?

A

20

B

30

C

40

D

none of these

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The correct Answer is:
D
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PATHFINDER-SET,VENN DIAGRAM AND RELATION-QUESTION BANK
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