alleryएक इनलेट पाईप एक टाकी 6 तासांत भरतो आणि दुसरा 12 तासांत भरतो. दोन्ही एकत्र उघडल्यास ती टाकी भरेल
A9 तास
B5 तास
C4 तास
D3 तास
Answer & Solution
Correct answer: C. 4 तास
भरण्याच्या दरांची बेरीज प्रति तास 1/6 + 1/12 = 3/12 = 1/4 टाकी इतकी होते, म्हणून 4 तास लागतील.
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