alleryA এবং B-এর গতির অনুপাত 3 : 4। একই রুটে B-এর 2 hours কম সময় লাগে। A-এর সময় লাগে
A6.5 hours
B7 hours
C8 hours
D6 hours
Answer & Solution
Correct answer: C. 8 hours
সময়ের অনুপাত 4 : 3, সুতরাং এক ভাগ হল 2 hours এবং A-এর সময় লাগে 4 x 2 = 8 hours।
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