alleryA ਨੂੰ 12 ਦਿਨ ਲੱਗਦੇ ਹਨ ਅਤੇ B ਨੂੰ 24 ਦਿਨ ਲੱਗਦੇ ਹਨ। A ਕੰਮ ਖਤਮ ਹੋਣ ਤੋਂ ਪਹਿਲਾਂ 3 ਦਿਨ ਛੱਡਦਾ ਹੈ। ਕੁੱਲ ਸਮਾਂ ਸੀ
A10 ਦਿਨ
B9 ਦਿਨ
C12 ਦਿਨ
D8 ਦਿਨ
Answer & Solution
Correct answer: A. 10 ਦਿਨ
B x ਦਿਨ ਕੰਮ ਕਰਦਾ ਹੈ ਅਤੇ A x - 3 ਕੰਮ ਕਰਦਾ ਹੈ: x/24 + (x-3)/12 = 1 x = 10 ਦਿਨ ਦਿੰਦਾ ਹੈ।
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