alleryਰਵੀ ਇਕੱਲਾ 10 ਦਿਨਾਂ ਵਿੱਚ ਖਾਈ ਪੁੱਟਦਾ ਹੈ ਅਤੇ ਸੁਨੀਲ ਇਕੱਲਾ 15 ਦਿਨਾਂ ਵਿੱਚ। ਦੋਵਾਂ ਨੂੰ ਇਕੱਠੇ ਲੋੜ ਹੈ
A8 ਦਿਨ
B6 ਦਿਨ
C5 ਦਿਨ
D7 ਦਿਨ
Answer & Solution
Correct answer: B. 6 ਦਿਨ
ਇਕੱਠੇ ਉਹ ਹਰ ਰੋਜ਼ ਖਾਈ ਦਾ 1/10 + 1/15 = 5/30 = 1/6 ਕਰਦੇ ਹਨ, ਇਸ ਲਈ 6 ਦਿਨ।
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