In an examination 200 students failed in English and 800 failed in Physics. If total 900 students failed in any subject then how many failed in both?

In an examination 200 students failed in English and 800 failed in Phy

1.	In an examination 200 students failed in English and 800 failed in Physics. If total 900 students failed in any subject then how many failed in both?
A.	30
B.	40
C.	50
D.	100
Answer» E.

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In an examination 200 students failed in English and 800 failed in Physics. If total 900 students failed in any subject then how many failed in both?

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