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# Speed Time & Distance || 17.01.2021

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Question 1

A man can reach a certain place in 30 hours. If he reduces his speed by 1/15th, he goes 10 km less in that time. Find his speed per hour.

Question 2

A train travelling at 42 km/hr crosses another train, having two third of its length and travelling in opposite direction at 48 km/hr in 18 seconds. It also passed a bridge in 54 seconds. Find the length of the bridge.

Question 3

A boat can row 40 km upstream in 8 hours and the same distance downstream in 5 hours. What is the speed (in km/hr) of the boat in still water?

Question 4

The ratio of speeds of A and B is 3 : 5. If A takes 24 minutes more than B to cover a certain distance. Then how much time (in minutes) will B take to cover the same distance?

Question 5

Two trains 140 m and 160 m long run at the speeds of 60 km/h and 40 km/h respectively in opposite directions on parallel tracks. The time (in seconds) which they take to cross each other, is

Question 6

A man covers 45% of his journey by walking at 9 km/h, 15% by cycle and the rest by car. The speed of car and speed of cycle is in the ratio 6:1. If he would have covered whole journey by car then the time taken would have been (1/7.3) times the actual time taken. Find the speed of car if the journey is of 100km.

Question 7

If Anju walks at the speed of 4 km/hr, then he reaches his school 6 minutes late but if he walks at the speed of 5 km/hr, then he reaches 6 minutes beforethe scheduled time. What is the distance (in km) of his school from his house?

Question 8

A train starts from city A for city B and another train starts from city B to city A at the same time. When the train met midway one of the trains had travelled 200 Km more than the other train. If speed of the trains which is destined to city A is 100 Km/hr and distance between the two cities is 1200 km, what could be the speed of second train?

Question 9

7 hrs after a goods train passed a station, another train travelling at a speed of 54 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 11 hours. What is the speed of the goods train?

Question 10

A bus covers a particular distance in 72 minutes with stoppages and in 60 minutes without stoppages. What is the per hour average stopping time in minutes?
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