allery60 தேர்வர்கள் எழுதிய ஒரு தேர்வில், 40 பேர் தாள் 1-லும், 35 பேர் தாள் 2-லும், 25 பேர் இரண்டிலும் தேர்ச்சி பெற்றனர். தாள் 2-ல் மட்டும் தேர்ச்சி பெற்றவர்கள் எத்தனை பேர்?
A5
B8
C10
D15
Answer & Solution
Correct answer: C. 10
தாள் 2 மட்டும் = n(P2) - n(P1 ∩ P2) = 35 - 25 = 10.
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