alleryਸੈੱਟ A ਅਤੇ B ਲਈ ਓਵਰਲੈਪਿੰਗ ਚੱਕਰ ਸਿਰਫ਼ A ਵਿੱਚ 12, ਦੋਵਾਂ ਵਿੱਚ 8 ਅਤੇ ਸਿਰਫ਼ B ਵਿੱਚ 5 ਨੂੰ ਰੱਖਦੇ ਹਨ। ਯੂਨੀਅਨ ਕੀ ਹੈ?
A20
B30
C15
D25
Answer & Solution
Correct answer: D. 25
ਤਿੰਨਾਂ ਖੇਤਰਾਂ ਨੂੰ ਜੋੜਨ ਨਾਲ 12 + 8 + 5 = 25 ਮੈਂਬਰ ਮਿਲਦੇ ਹਨ।
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