allery100 ਲੋਕਾਂ ਵਿੱਚੋਂ 30 ਸਿਰਫ਼ ਸੈੱਟ P ਵਿੱਚ, 25 ਸਿਰਫ਼ ਸੈੱਟ Q ਵਿੱਚ ਅਤੇ 20 ਦੋਵੇਂ ਸੈੱਟਾਂ ਵਿੱਚ ਹਨ। ਕਿਸੇ ਵੀ ਸੈੱਟ ਵਿੱਚ ਨਾ ਹੋਣ ਵਾਲੇ ਕਿੰਨੇ ਹਨ?
A45
B35
C25
D15
Answer & Solution
Correct answer: C. 25
ਅੰਦਰਲੇ ਚੱਕਰ: 30 + 25 + 20 = 75, ਇਸ ਲਈ 100 - 75 = 25 ਬਾਹਰ ਸਥਿਤ ਹਨ।
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