A car covers four successive three km stretches at speeds of 10 km/hr, 20…

2026

A car covers four successive three km stretches at speeds of 10 km/hr, 20 km/hr, 30 km/hr and 60 km/hr respectively. Its average speed over this distance :

Answer: B. 20 km/hr

A.
10 km/hr
B.
20 km/hr
C.
30 km/hr
D.
25 km/hr

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Correct answer: B

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