allery100 பேரில், 30 பேர் P என்ற கணத்தில் மட்டுமே உள்ளனர், 25 பேர் Q என்ற கணத்தில் மட்டுமே உள்ளனர் மற்றும் 20 பேர் இரண்டிலும் உள்ளனர். இரண்டிலுமே இல்லாதவர்கள் எத்தனை பேர்?
A45
B35
C25
D15
Answer & Solution
Correct answer: C. 25
வட்டங்களுக்குள் உள்ளவர்கள்: 30 + 25 + 20 = 75, எனவே 100 - 75 = 25 பேர் வெளியே உள்ளனர்.
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