alleryએક પાઇપ ટાંકીનો બે-તૃતીયાંશ ભાગ 8 કલાકમાં ભરે છે. આખી ટાંકી ભરવા માટે કેટલો સમય લાગશે?
A14 કલાક
B12 કલાક
C16 કલાક
D10 કલાક
Answer & Solution
Correct answer: B. 12 કલાક
8 કલાકમાં બે-તૃતીયાંશ ભાગ ભરાય છે એટલે કે એક-તૃતીયાંશ ભાગ 4 કલાકમાં ભરાય, તેથી આખી ટાંકી માટે 12 કલાક લાગે.
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