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Question 1:

A truck covers a distance of 140 km at a speed of 35 km/h . It covers the next 20 km in 30 minutes and the last 30 km at a speed of 60 km/h. What is the average speed (in km/h ) of the truck?

Question 2:

Sachin takes 50 minutes more than Prem to walk $35 \mathrm{~km}$. But if Sachin doubles his speed, he is ahead of Prem by $1 \frac{1}{2}$ hours. Sachin's speed is:

Question 3:

A person crosses a 1800 m long street in 5min. What is his speed (in km/h )?

Question 4:

Speed of an aircraft is 120 km/min. This speed in m/sec is:

Question 5:

Two trains start from places A and B, respectively, and travel towards each other at the speeds of 60 km/h and 50 km/h, respectively. By the time they meet, the faster train has travelled 110 km more than the slower train. What is the distance between A and B ?

Question 6:

A man travelled a distance of $47 \mathrm{~km}$ in 6 hours. He travelled partly on foot at a speed of $6 \frac{1}{2} \mathrm{~km} / \mathrm{h}$ and the rest on a bicycle at a speed of $8 \frac{1}{2} \mathrm{~km} / \mathrm{h}$. The distance travelled (in $\mathrm{km}$ ) on bicycle is

Question 7:

A car is moving at a uniform speed of 35 km/h. What is the time it takes to cover 140km ?

Question 8:

A car covers the first 41 km of its journey in 45 min and covers the remaining 23 km in 35 min. What is the average speed (in m/sec ) of the car ?

Question 9:

Excluding stoppages, the speed of a bus is 60 km/h and including stoppages, it is 42 km/h. For how many minutes does the bus stop per hour?

Question 10:

The distance between two stations A and B is 700 km. A train covers the journey from A to B at a speed of 80 km/h and returns back to A with a uniform speed of 65 km/h. The average speed of train during the whole journey, is closest to