alleryપાઇપો એક ટાંકીને અનુક્રમે 12 અને 18 મિનિટમાં ભરે છે. બંને પાઇપ 6 મિનિટ માટે ચલાવવામાં આવે છે. ભરાયેલ ભાગ કેટલો છે?
A5/6
B1/2
C3/4
D2/3
Answer & Solution
Correct answer: A. 5/6
સંયુક્ત દર 1/12 + 1/18 = 5/36 છે, અને 6 મિનિટમાં 30/36 = 5/6 ભાગ ભરાય છે.
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