alleryપાઇપ P એ પાઇપ Q કરતાં ત્રણ ગણી ઝડપી છે, અને બંને મળીને એક ટાંકીને 12 મિનિટમાં ભરે છે. Q ને એકલા કેટલો સમય લાગશે?
A36 મિનિટ
B48 મિનિટ
C42 મિનિટ
D60 મિનિટ
Answer & Solution
Correct answer: B. 48 મિનિટ
કાર્યક્ષમતાનો દર 3x અને x લેતાં 4x = 1/12 મળે છે, તેથી x = 1/48 અને Q ને એકલા 48 મિનિટ લાગે છે.
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