Question

a girl while riding a bicycle move with a speed of 10 km per hour for 2 hour and with speed of 15 km per hour for next 3 hours find the total distance moved by her and find his average speed

Answer 1

Total distance = (10*2)+(15*3) =65km

Avg spee =(Total distance covered/total time taken)
Savg = 65/5 =13km/hr