Question

A certain distance was covered by a car at a speed of 60 km per hour and comes back at the speed of 36 km per hour . What is the average speed of the car ?

• A. 30 Km/hr
• B. 40 Km/hr
• C. 45 Km/hr
• D. 48 Km/hr

Answer 1

Answer:

C. 45 Km/hr

Read Explanation:

average speed of the car = 2xy/(x + y) = 2 × 60 × 36/96 = 45 km/hr

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