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:
(i) 100 km (ii) 25 km
(iii) 15 km (iv) 10 km

case i , speed = 40 km/h ,time = 15 min= 0.25 hour , distance = speed x time = 40 x 0.25 = 10 km

case ii , , speed = 60 km/h ,time = 15 min= 0.25 hour , distance = speed x time = 60 x 0.25 = 15 km

total distance = 10+15=25 km

ii) 25 km Ans.