Mathematics quiz on Time, Speed and Distance (28-12-2020)

A boat running upstream 6 hours 36 minute to cover a certain distance, while it takes 3 hours to cover the same distance running downstream, what is the ratio between the speed of the boat and the speed of the water respectively?

A woman can row upstream at 20 kilometer per hour and downstream at 30 km per hour, what is the speed of stream?

A person covers first 120 m with a speed of 4 m/s, next 120 m with 5 m/s and the last 120m with 6 m/s. What is his average speed in the entire journey in km/h?

A train running at a speed of 54 km/h crosses a man riding a bicycle at the speed of 5 m/sec in the same direction on the road parallel to the track in 20 sec. What is the length of the train?

Two train meet a distance of _____ km from Kolkata when it leaves for Patna at 2: 45 pm and goes at the rate of 50 km/hr another train leaves Patna for Kolkata at 1: 35 pm and goes at the rate of 60 km/hr. the distance between Kolkata and Patna is 510 km.

Golu left his home at 7: 00 am for his school. Golu takes 100 min to reach school if he cycled 12 km/hr, after he left for school his brother find that he forgets his notebook so his brother run after him by his cycle at 7: 20 am and catch him at 2 km from the school gate. Find the speed of his brother’s cycle?

A cyclist covers a distance of 840 m in 3 minutes 30 sec. What is the speed in km/hr of the cyclist.

I walk a certain distance and ride back taking a total time of 35 minutes. I could walk both ways in 50 minutes. How long would it take to me ride both ways?

A man in a bus notices that he can count 15 telephone posts in 1 minute if they are known to be 14 meters apart then at what speed is the bus travelling?

A train covers a certain distance at a speed of 140 kilometer per hour in 6 hours. What will be the speed of the train if the same distance is covered in 4 hours?