allery100 ਦੇ ਇੱਕ ਸਮੂਹ ਵਿੱਚ 60 ਹਨ ਜੋ ਤੈਰਦੇ ਹਨ, 45 ਜੋ ਸਾਈਕਲ ਚਲਾਉਂਦੇ ਹਨ ਅਤੇ 15 ਜੋ ਕੋਈ ਵੀ ਨਹੀਂ ਕਰਦੇ। ਦੋਵੇਂ ਕਿੰਨੇ ਹਨ?
A20
B25
C15
D30
Answer & Solution
Correct answer: A. 20
85 ਘੱਟੋ-ਘੱਟ ਇੱਕ ਕਰਦੇ ਹਨ, ਇਸ ਲਈ ਦੋਵੇਂ = 60 + 45 - 85 = 20।
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