alleryએક ટાંકી સામાન્ય રીતે 6 કલાકમાં ભરાય છે પરંતુ લિકેજના કારણે 8 કલાક લાગે છે. લિકેજ એકલું ભરેલી ટાંકીને કેટલા સમયમાં ખાલી કરશે?
A18 કલાક
B48 કલાક
C24 કલાક
D14 કલાક
Answer & Solution
Correct answer: C. 24 કલાક
લિકેજનો દર દર કલાકે 1/6 - 1/8 = 1/24 છે, તેથી તે ભરેલી ટાંકીને 24 કલાકમાં ખાલી કરે છે.
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