alleryਮੰਨ ਲਓ A = {a, b, c, d} ਅਤੇ B = {c, d, e}। A ਅਤੇ B ਦੇ ਇੰਟਰਸੈਕਸ਼ਨ ਵਿੱਚ ਕਿੰਨੇ ਤੱਤ ਹਨ?
A5
B3
C4
D2
Answer & Solution
Correct answer: D. 2
ਦੋਵਾਂ ਸੈੱਟਾਂ ਵਿੱਚ ਸਿਰਫ਼ c ਅਤੇ d ਦਿਖਾਈ ਦਿੰਦੇ ਹਨ, ਇਸ ਲਈ ਇੰਟਰਸੈਕਸ਼ਨ ਵਿੱਚ 2 ਤੱਤ ਹਨ।
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