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Question

A car moves with a speed of 40 km/h for 15 minutes and then with a speed of 60 km/h for the next 15 minutes. The total distance covered by the car is :
  1. 45
  2. 25
  3. 35
  4. 66

A
45
B
35
C
66
D
25
Solution
Verified by Toppr

Speed of car in first 15 minutes = 40 km/h
Distance covered = speed × Time taken
60 minutes = 1 hour
15 minutes = 1560 hour
Distance covered = 240×1560=10km
Speed of car in next 15 minutes = 60 km/h
Distance covered = 60×1560=15km
Total distance covered = (10+15)km = 25 km
25 km is correct

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