Question

A car moves with a speed of 40 km/h for 15 minutes and then with a speed of 60km/h for the next 15 minute the total distance covered by the car is???


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Answer 1

Answer:

Speed of car in first 15 minutes = 40 km/h

Distance covered = speed × Time taken

60 minutes = 1 hour

15 minutes = 15/60hour

Distance covered = 240*15/60=10km/hr

Speed of car in next 15 minutes = 60 km/hr

Distance covered = 60*15/60=15km

Total distance covered = (10+15)km = 25 km

∴ 25 km is correct

Answer 2

$\huge\star{\underline {\mathtt{\pink{αnswєr }}}}$

Speed of car in first 15 minutes = 40 km/h

Distance covered = speed × Time taken

60 minutes = 1 hour

$\small\green{15 \: minutes = \frac{15}{60} hour}$

$\small\blue{Distance \: \: covered = 240× \frac{15}{60} =10km}$

Speed of car in next 15 minutes = 60 km/h

$\small\orange{Distance \: \: covered = 60× \frac{15}{60} =15km}$

∴ Total distance covered = (10+15)km = 25 km

∴ 25 km is correct