An express train travelled at an average speed of 100 km/hr, stopping for 3 minutes after every 75 km. How long did it take to reach its destination 600 km from the starting point?
6 hrs 30 min
6 hrs 24 min
6 hrs 27 min
6 hrs 21 min
A
6 hrs 27 min
B
6 hrs 30 min
C
6 hrs 21 min
D
6 hrs 24 min
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Solution
Verified by Toppr
Time taken to cover 600 km =(600100)hrs=6hrs Number of stoppages =60075−1=7 Total time taken in stoppages =(3×7)min =21min ∴ Total time taken =6hrs21min
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