Two men P and Q Start from a place walking at 5 km /hr and 6.5 km/hr, respectively . What is the time they will take to be 92 km apart , they walk in opposite directions?
A. 2 hr
B. 4 hr
C. 6 hr
D. 8 hr
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সঠিক উত্তরঃ
D.
8 hr
Explanation:
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