alleryP Q ਨਾਲੋਂ ਤਿੰਨ ਗੁਣਾ ਤੇਜ਼ੀ ਨਾਲ ਕੰਮ ਕਰਦਾ ਹੈ, ਅਤੇ P ਇਕੱਲੇ Q ਨਾਲੋਂ 20 ਦਿਨ ਪਹਿਲਾਂ ਪੂਰਾ ਕਰਦਾ ਹੈ। ਸਿਰਫ਼ P ਨੂੰ ਲੋੜ ਹੁੰਦੀ ਹੈ।
A30 ਦਿਨ
B20 ਦਿਨ
C15 ਦਿਨ
D10 ਦਿਨ
Answer & Solution
Correct answer: D. 10 ਦਿਨ
Q P ਦਾ ਤਿੰਨ ਗੁਣਾ ਸਮਾਂ ਲੈਂਦਾ ਹੈ, ਇਸ ਲਈ 3t - t = 20 P ਲਈ t = 10 ਦਿਨ ਦਿੰਦਾ ਹੈ।
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