Question

A cyclist moves at 25 km/h to reach a checkpoint on time. If the speed is increased to 30 km/h, the cyclist will arrive 12 minutes earlier. Find the time taken to cover thrice the distance at 40 km/h.

A 2.25 hours
B 7.25 hours
C 8.24 hours
D 1.25 hours
E None of these
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