B. K Editorial Board Solutions for Exercise 1: MULTIPLE CHOICE QUESTIONS

A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?

If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is:

Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?

A man on tour travels first $160$ km at $64$ km/ hr and the next $160$ km at $80$ km/ hr. The average speed for the first $320$ km of the tour is:

The ratio between the speeds of the two trains is $7: 8$. If the second train runs $400$ km in $4$ hours, then the speed of the first train is:

A car travelling with $\frac{5}{7}$ of its actual speed covers $42 \mathrm{km}$ in $1 \mathrm{hr} 40 \min 48 \mathrm{s}$. Find the actual speed of the car.

In covering a distance of $30 km$, Abhay takes $2$ hours more than Sameer. If Abhay doubles his speed, then he would take $1$ hour less than Sameer. Abhay's speed is:

A farmer travelled a distance of $61 km$ in $9$ hours. He travelled partly on foot at the speed $4 km/hr$ and partly on bicycle at the speed $9 km/hr$. The distance travelled on foot is: