A car moves with a speed of 40 km/h for 15 minutes and then with a speed of 60 km/h for the na 15 minutes. The total distance covered by the car is: (a) 100 km (b) 25 km (c) 15 km (d) 10 km
Answers
Answered by
0
Step-by-step explanation:
Speed of car in first 15 minutes = 40 km/h
Distance covered = speed × Time taken
60 minutes = 1 hour
15 minutes =
60
15
hour
Distance covered = 240×
60
15
=10km
Speed of car in next 15 minutes = 60 km/h
Distance covered = 60×
60
15
=15km
∴ Total distance covered = (10+15)km = 25 km
∴ 25 km is correct
Answered by
0
Answer:
(c)15 km
Step-by-step explanation:
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