Time & distance

Quantitative Aptitude (MTS)

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P and Q are two towns. Ravi covers the distance from P to Q on cycle at 16 km/hr. However, he covers the distance from Q to P on foot at 9 km/hr. His average speed during the whole journey is :

12.5 km/h

10.25 km/h

11.52 km/h

12.32 km/h

Explanation:

Average speed = (2×16×9/16+9) km/hr = 11.52 km/hr

Hence, option 3 is the correct answer.

By: Amit Kumar

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