CPO 22: Date: 10/11/2022, Shift 1


Question 1


A car travels with a speed of 21 m/sec in the first 10 minutes, 9.0 km in the next 10 minutes and 10 km in the last 10 minutes of its journey. What is the average speed of the car in km/h during its entire journey?

एक कार अपनी यात्रा के पहले 10 मिनट में 21 m/sec की चाल से चलती है, अगले 10 मिनट में 9.0 km और अंतिम 10 मिनट में 10 km की यात्रा करती है। अपनी पूरी यात्रा के दौरान कार की औसत चाल km/h में क्या है?

Options

A

62.0 km/h

62.0 km/h

B

65.3 km/h

65.3 km/h

C

60.0 km/h

60.0 km/h

D

63.2 km/h

63.2 km/h


Solution:

Correct Answer:

D

63.2 km/h

63.2 km/h


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