alleryएक इनलेट नळ 6 वरांनी आनी दुसरी 12 वरांनी टांकयेक भरता. दोनूय एकठांय उगडून तातूंत भरतात
A9 तास
B5 तास
C4 तास
D3 तास
Answer & Solution
Correct answer: C. 4 तास
भरपाचे दर टांकयेच्या दर वराक 1/6 + 1/12 = 3/12 = 1/4 हातूंत जोडटात, देखून 4 तास.
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