alleryP ਅਤੇ Q ਮਿਲ ਕੇ 6 ਦਿਨਾਂ ਵਿੱਚ ਇੱਕ ਸ਼ੈੱਡ ਬਣਾਉਂਦੇ ਹਨ। P ਨੂੰ ਸਿਰਫ਼ 10 ਦਿਨਾਂ ਦੀ ਲੋੜ ਹੁੰਦੀ ਹੈ। Q ਨੂੰ ਸਿਰਫ਼
A18 ਦਿਨ
B12 ਦਿਨ
C15 ਦਿਨ
D20 ਦਿਨ
Answer & Solution
Correct answer: C. 15 ਦਿਨ
Q ਦੀ ਦਰ 1/6 - 1/10 = 4/60 = 1/15 ਹੈ, ਇਸ ਲਈ 15 ਦਿਨ।
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