The distance between two cities is 30 Km. A man goes at a speed of 30 Km per hour and returns at 20 Km per hour. What is his average speed - Study24x7
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16 Mar 2019 11:37 AM study24x7 study24x7

The distance between two cities is 30 Km. A man goes at a speed of 30 Km per hour and returns at 20 Km per hour. What is his average speed

A

25 Km/hr

B

24 Km/hr

C

10 Km/hr

D

26 Km/hr

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