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A bike covers the first 64 km of its journey in 110 minutes and the remaining 77 km in 70 minutes. What is the average speed of the bike in km/h?


1. 42
2. 43
3. 44
4. 46
5. 47

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Best answer
Correct Answer - Option 5 : 47

Given:

First 64 km distance is covered in 110 minutes

Remaining 77 km distance covered in 70 minutes

Formula used:

Average speed = Total distance/Total time

Calculation:

Total distance = 64 + 77 = 141 km

Total time = 110 + 70 = 180 minutes = 180/60 = 3 h

Average speed = 141/3 = 47 km/h

∴ The average speed of bike is 47 km/h.

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