Time and distance

P and Q take part in a 400 m race. P runs at 12 km/hr. P gives Q a start of 20 m and still beats him by 13 seconds. The ...

On a $2200 \text{ m}$ long circular track, Sarita and Kavita start from the same point but in opposite directions with s...

A boat covers 35 km downstream in 2 hours and covers the same distance upstream in 7 hours. Find the speed (in km/h) of ...

Reshma covers $45 \text{ km}$ at a speed of $15 \text{ km/h}$ by bicycle, $80 \text{ km}$ at a speed of $40 \text{ km/h}...

P and Q compete in a 400 m race. P runs at a speed of $12 \text{ km/hr}$. P gives Q a head start of $20 \text{ m}$ and s...