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Question 1:

A man travelled four equal distances of $3 \mathrm{~km}$ at speeds of $10,20,30$ and $40 \mathrm{~km} / \mathrm{hr}$ respectively. What is his average speed (in $\mathrm{km} / \mathrm{hr}$ )?

Question 2:

A train 290 m long is running at a speed of 36 km⁄h then it will cross a bridge of length 180 m in________ seconds:

Question 3:

Train A running with the speed of $20 \mathrm{~m} / \mathrm{s}$ crosses a platform in 30 seconds. Another train B whose length is 150 metre more than length of train $\mathrm{A}$ is running with the speed of $10 \mathrm{~m} / \mathrm{s}$ crosses a pole in 40 seconds. Find the length of platform.

Question 4:

A train $A$ moving with a speed of $60 \mathrm{~km} / \mathrm{h}$, another train $B$ coming from the opposite direction with a speed of $48 \mathrm{~km} / \mathrm{h}$ Completely crosses in 20 seconds. The length of train $B$ is $1.5$ times the length of train $A$. Train $B$ crosses a tunnel in 57 seconds. What is the length of the tunnel (in $\mathrm{m}$)?

Question 5:

On a racing track, A and B are standing at a distance of 200 m . A walked towards B at a speed of 8 km/hr, whereas B walked in the same direction at a speed of 5 km/hr. What was the distance between them 1 minute before they met?

Question 6:

The speed of a bus increases by 4 km after every one hour. If the distance travelled in the first one hour was 55 km, then what was the total distance travelled in 13 hours ?

Question 7:

A person travels one-third of a certain distance at a speed of 45 km/h, and the remaining distance at a speed of 60 km/h. If he travels this distance at a uniform speed taking the same time, then what will be his speed (in km/h)?

Question 8:

A person crosses a 1600 m long street in 4 min. What is his speed (in km/h )?

Question 9:

Ram travelled from a place $Z$ to $P$ at an average speed of $130 \mathrm{~km} / \mathrm{h}$. He travelled the first $75 \%$ of the distance in two-thirds of the time and the rest at an average speed of $X \mathrm{~km} / \mathrm{h}$. The value of $\frac{X}{2}$ is:

Question 10:

The speed of a train is 110 km/h. It is increased by 20 % and then runs at uniform speed. The train driver sees the 'Slow Down' sign, so he reduces the speed of the train by 40 % of the speed at that moment. What is the final speed (in km/h, correct to one decimal place) of the train?