1.

distanc=100 m, time=15 min ,calculate speed km/h

Answer»

Distance = speed * timeDistance = 100 m = 100/1000= 1/10 kmTime = 15 min = 15/60 = 1/4 hrSpeed = Distance /time = (1/10)÷(1/4) = 4/10 = 2/5 km/hr



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