allery200 ਪਰਿਵਾਰਾਂ ਦੇ ਇੱਕ ਪਿੰਡ ਵਿੱਚ, 120 ਕੋਲ ਗਾਵਾਂ ਹਨ ਅਤੇ 90 ਕੋਲ ਬੱਕਰੀਆਂ ਹਨ; 30 ਕੋਲ ਦੋਵੇਂ ਹਨ। ਕਿੰਨੇ ਕੋਲ ਕੋਈ ਵੀ ਨਹੀਂ ਹੈ?
A20
B10
C30
D40
Answer & Solution
Correct answer: A. 20
ਘੱਟੋ-ਘੱਟ ਇੱਕ ਦੇ ਮਾਲਕ = 120 + 90 - 30 = 180, ਇਸ ਲਈ 200 - 180 = 20 ਦੋਵਾਂ ਵਿੱਚੋਂ ਕਿਸੇ ਦੇ ਵੀ ਮਾਲਕ ਨਹੀਂ ਹਨ।
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