R. Gupta Solutions for Exercise 1: EXERCISE

Speed of $55$ m/sec is same as:

A man crosses a street $600$ m long in $5$ minutes. His speed in Km/hr is:

A train is moving at the speed of $92.4$ $\mathrm{km}/\mathrm{hr}$. How many $\mathrm{metres}$ will it cover in $10 \mathrm{minutes}$ ?

A boy goes to school with $speed$ with a $speed$ of $3$ km/hr and returns to village with $speed$ of $2$ km/hr. If he takes $5$ hours in all, the $dis\tan ce$ between village and school is?

A car completes a certain journey in $8$ hours. It covers half the distance at $40$ km/hr and the rest at $60$ km/hr. The length of the journey is?

A train leaves Meerut at $6$ a.m. and reaches Delhi at $10$ a.m. Another train leaves Delhi at $8$ a.m. and reaches Meerut at $11:30$ a.m. At what time would the two train cross each other?

A certain distance is covered at a certain speed. If half the distance is covered in double the time, the ratio of the two speeds is:

A man walking at $3$ $\mathrm{km}/\mathrm{hr}$ crosses a square field diagonally in $2$ minutes. What is the area of the field?