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SSC CPO 2024 PYQ — Question 133

SSC CPO - 27 June 2024 - Shift 3 • Quantitative Aptitude • Q133

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R reaches office from home in 30 minutes and comes back in 20 minutes. The distance to his office from home is 12.5 km. What is his average speed (in km/h) from home to office and then back home?

Show answer & explanation

Correct answer: A

Explanation

The correct answer is Option 1 i.e. 30.

Given that

Total time taken to travel = 20 + 30 = 50 minutes = 56\frac{5}{6} hours

Total distance = 12.5 + 12.5 = 25  km

Average speed = Total distance / Total time 

Hence, average speed = 255/6\frac{25}{5/6} = 30 km/h.