CTET PAPER I 2021 · PYQ · Time, Distance, Speed · medium
A boy boarded a train on 4th June, 2020 at Nagarcoil for Madgaon. The train departed at 22:30 hours from Nagarcoil and reached Madgaon at 04:30 hours on 6th June, 2020. If the distance covered by the train during this time interval is 1145 km, the average speed of the train was nearly
Answer
The correct answer is B: 38.5 km/h. From 22:30 on 4 June to 22:30 on 5 June is 24 hours. From 22:30 on 5 June to 04:30 on 6 June is another 6 hours.
A.36.5 km/h
B.38.5 km/h✓ Correct
C.40.5 km/h
D.42.5 km/h
Explanation
From 22:30 on 4 June to 22:30 on 5 June is 24 hours. From 22:30 on 5 June to 04:30 on 6 June is another 6 hours. Total time = 24 + 6 = 30 hours. Average speed = 1145 km ÷ 30 h ≈ 38.17 km/h, which is nearly 38.5 km/h.
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