alleryએક ઇનલેટ પાઇપ એક ટાંકીને 6 કલાકમાં ભરે છે અને બીજી પાઇપ તેને 12 કલાકમાં ભરે છે. બંને પાઇપ એકસાથે ખુલ્લી મૂકતાં ટાંકી કેટલા સમયમાં ભરાશે?
A9 કલાક
B5 કલાક
C4 કલાક
D3 કલાક
Answer & Solution
Correct answer: C. 4 કલાક
ભરાવાનો સંયુક્ત દર પ્રતિ કલાક ટાંકીનો 1/6 + 1/12 = 3/12 = 1/4 ભાગ છે, તેથી 4 કલાક લાગશે.
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