alleryA ਨੂੰ 10 ਦਿਨ ਲੱਗਦੇ ਹਨ ਅਤੇ B ਨੂੰ 15 ਦਿਨ ਲੱਗਦੇ ਹਨ। ਬਦਲਵੇਂ ਦਿਨਾਂ 'ਤੇ ਕੰਮ ਕਰਦੇ ਹੋਏ, A ਪਹਿਲਾਂ, ਉਹ ਕੰਮ ਪੂਰਾ ਕਰਦੇ ਹਨ
A12 ਦਿਨ
B11 ਦਿਨ
C10 ਦਿਨ
D15 ਦਿਨ
Answer & Solution
Correct answer: A. 12 ਦਿਨ
ਹਰੇਕ ਦੋ-ਦਿਨਾਂ ਦਾ ਚੱਕਰ 1/10 + 1/15 = 1/6 ਕਰਦਾ ਹੈ, ਇਸ ਲਈ 6 ਚੱਕਰ 12 ਦਿਨ ਲੈਂਦੇ ਹਨ।
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