alleryപൈപ്പുകൾ ഒരു ടാങ്ക് നിറയ്ക്കുന്നത് 12, 18 മിനിറ്റുകളിലാണ്. രണ്ടും 6 മിനിറ്റുകൾക്കാണ് പ്രവർത്തിക്കുന്നത്. നിറച്ച അംശം
A5/6
B1/2
C3/4
D2/3
Answer & Solution
Correct answer: A. 5/6
സംയോജിത നിരക്ക് 1/12 + 1/18 = 5/36 ആണ്, കൂടാതെ 6 മിനിറ്റ് 30/36 = 5/6 നൽകുന്നു.
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