Question

A car moves with a speed of 60km/hr for 15 minutes and then with a speed of 80km/hr for next 15 minutes. Find the total distance covered by the car.

Answer 1

$$\begin{gathered} Dearstudent, \\ Dis\tan ceinfirstcase=speed\times time \\ time=15min=\frac{15}{60}=\frac{1}{4}hr \\ D1=60\times \frac{1}{4}=15km \\ Dis\tan ceinsecondcase=speed\times time \\ D2=80\times \frac{1}{4}=20KM \\ Totaldis\tan ce=D1+D2=15+20=35KM \\ Regards \end{gathered}$$