Anvitha took a train to travel to her JEE Mains exam centre. The train covered a distance of
15 kilometres in 10 minutes. If its speed is decreased by 15 km/hr, what will be the time
taken by it to cover 2/3rd of the original distance?
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Answer:
8 minutes
Step-by-step explanation:
Actual speed = 15 × 60/10 = 90 km/hr.
Reduced speed = 75 km/hr.
Original distance = 15 km
Reduced distance = 2/3 × 15 = 10 km
Time Taken =
10 km = x hr. ×75 km/hr.
10/75 = x hr.
x = 8 minutes
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