alleryਚੌਲ ਆਪਣੇ ਭਾਰ ਦਾ 2/5, ਫਿਰ ਬਾਕੀ ਦਾ 1/3 ਗੁਆ ਦਿੰਦਾ ਹੈ; 12 kg ਬਾਕੀ; ਸ਼ੁਰੂਆਤੀ ਭਾਰ?
A30 kg
B24 kg
C20 kg
D36 kg
Answer & Solution
Correct answer: A. 30 kg
ਬਰਕਰਾਰ ਰੱਖਿਆ ਫਰੈਕਸ਼ਨ 3/5 × 2/3 = 2/5 ਹੈ, ਇਸਲਈ ਸ਼ੁਰੂਆਤੀ ਭਾਰ 12 ÷ (2/5) = 30 kg ਸੀ।
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