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Arithmetic Ability
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Q.
An express traveled at an average speed of 100 km/hr, stopping for 4 min after every 75 km. How long did it take to reach its destination 600 km from the starting point ?
A.
6 hrs 24 min
B.
6 hrs
C.
7 hrs 21 min
D.
6 hrs 28 min
View Answer
Correct choice: D
Explanation:
Time taken to cover 600 km = 600/100 = 6 hrs. Number of stoppages = 600/75 - 1 = 7 Total time of stoppages = 4 x 7 = 28 min Hence, total time taken = 6 hrs 28 min.
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