alleryनळ एक टांकयेक 12 आनी 18 मिनटांनी भरतात. दोनूय 6 मिनटां खातीर चलतात. भरिल्लो अपूर्णांक असो आसता
A5/6
B1/2
C3/4
D2/3
Answer & Solution
Correct answer: A. 5/6
एकत्रीत दर 1/12 + 1/18 = 5/36, आनी 6 मिनटांनी 30/36 = 5/6 मेळटा.
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