allery90 மாணவர்களில், 50 பேர் ஆங்கிலத்திலும் 60 பேர் இந்தியிலும் தேர்ச்சி பெற்றனர்; அனைவரும் குறைந்தது ஒன்றிலாவது தேர்ச்சி பெற்றனர். இரண்டிலும் தேர்ச்சி பெற்றவர்கள் எத்தனை பேர்?
A20
B15
C25
D10
Answer & Solution
Correct answer: A. 20
இரண்டிலும் தேர்ச்சி பெற்றவர்கள் = 50 + 60 - 90 = 20 மாணவர்கள்.
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