alleryਦੋ ਦੋਸਤ ਇਕੱਠੇ 8 ਦਿਨਾਂ ਵਿੱਚ ਇੱਕ ਹਾਲ ਸਾਫ਼ ਕਰਦੇ ਹਨ। ਉਨ੍ਹਾਂ ਵਿੱਚੋਂ ਇੱਕ ਇਕੱਲਾ 24 ਦਿਨ ਲੈਂਦਾ ਹੈ। ਦੂਜਾ ਇਕੱਲਾ
A12 ਦਿਨ
B14 ਦਿਨ
C10 ਦਿਨ
D16 ਦਿਨ
Answer & Solution
Correct answer: A. 12 ਦਿਨ
ਦੂਜੇ ਦੀ ਦਰ 1/8 - 1/24 = 2/24 = 1/12 ਹੈ, ਇਸ ਲਈ 12 ਦਿਨ।
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