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31 candidates appeared for an examinatio...

31 candidates appeared for an examination, 15 candidates passed in Mathematics, 15 candidates passed in physics, 20 candidates passed in Chemistry 3 candidates passed only in Mathematics, 4 candidates passed only in Physics, 7 candidates passed only in Chemistry. 2 candidates passed in all the three subjects. How many candidates passed only in two subjects ?

A

17

B

15

C

22

D

14

Text Solution

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