alleryਇੱਕ 54 kg ਬੈਗ ਨੂੰ ਹਟਾਉਣ ਨਾਲ ਮੱਧਮਾਨ 40 ਤੋਂ 38 kg ਤੱਕ ਘੱਟ ਜਾਂਦਾ ਹੈ। ਅਸਲ ਬੈਗ ਗਿਣਤੀ?
A7
B6
C9
D8
Answer & Solution
Correct answer: D. 8
ਜੇਕਰ n ਬੈਗ ਸਨ, 40n − 54 = 38(n − 1), ਜੋ n = 8 ਦਿੰਦਾ ਹੈ।
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