alleryએક ટાંકી એક-ચતુર્થાંશ ભરેલી છે. એક પાઇપ આખી ટાંકી 12 કલાકમાં ભરે છે. બાકીની ટાંકી કેટલા સમયમાં ભરાશે?
A9 કલાક
B10 કલાક
C8 કલાક
D3 કલાક
Answer & Solution
Correct answer: A. 9 કલાક
ત્રણ-ચતુર્થાંશ ભાગ બાકી રહે છે, જે 3/4 x 12 = 9 કલાક થાય છે.
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