Question

Q.10 A train's average speed is 120 km/hr. Its elapsed time is 2 hr. How far did it travel?​

Answer 1

Answer:

Speed of train = 120 kmph

Speed of train = 120 kmphTime = 15 min

Speed of train = 120 kmphTime = 15 minConcept used:

Speed of train = 120 kmphTime = 15 minConcept used:To convert minutes to hours, divide the minutes by 60.

Speed of train = 120 kmphTime = 15 minConcept used:To convert minutes to hours, divide the minutes by 60.Formula used:

Speed of train = 120 kmphTime = 15 minConcept used:To convert minutes to hours, divide the minutes by 60.Formula used:Distance = Speed × Time

Speed of train = 120 kmphTime = 15 minConcept used:To convert minutes to hours, divide the minutes by 60.Formula used:Distance = Speed × TimeCalculation:

Speed of train = 120 kmphTime = 15 minConcept used:To convert minutes to hours, divide the minutes by 60.Formula used:Distance = Speed × TimeCalculation:Time in hour = 15/60 = 1/4 hr.

Speed of train = 120 kmphTime = 15 minConcept used:To convert minutes to hours, divide the minutes by 60.Formula used:Distance = Speed × TimeCalculation:Time in hour = 15/60 = 1/4 hr.Distance covered = 120 × 1/4 = 30

Speed of train = 120 kmphTime = 15 minConcept used:To convert minutes to hours, divide the minutes by 60.Formula used:Distance = Speed × TimeCalculation:Time in hour = 15/60 = 1/4 hr.Distance covered = 120 × 1/4 = 30∴ The distance covered by the train in 15 minutes is 30 km.

Answer 2

Answer:

distance = rate × time

average speed = 120km/hr

time elapsed =2 hr

distance =(120km/hr) ×2hr

Distance = 240 km

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