Correct Answers: | |

Wrong Answers: | |

Unattempted: |

### Question 1

A train of length 74m is running at a speed of 61m/s. How long will it take to cross a tunnel of length 48m?

### Question 2

Two trains are moving in opposite directions on two parallel tracks. How many seconds will they take to cross each other if the sum of their lengths is 288m, and the sum of their speeds is 48m/s.?

**A**

6 sec.

**B**

7 sec.

**C**

5 sec.

**D**

8 sec.

**Soln.**

**Ans: a**

The total distance is equal to the sum of the lengths of the trains, so s = 288. This distance has to be covered at a net relative speed equal to the sums of the speeds of the two trains, so v = 48. The time will be distance/speed = $288/48$ = 6 sec.

### Question 3

A train running at 10km/h leaves a railway station 45 hours later than another train, and meets it in 5 hours. What is the speed of the other train?

### Question 4

A train is running at a speed of 52m/s. If it takes 8sec to move past a telegraph pole, then what is its length?

### Question 5

A train is moving at a speed of 70m/s. It takes 2 seconds to cross a jeep that is travelling in the opposite direction at a speed of 31m/s. What is the length of the train?

**A**

202 meters.

**B**

203 meters.

**C**

201 meters.

**D**

204 meters.

**Soln.**

**Ans: a**

The distance to be covered is equal to the length of the train. This distance has to be covered at a net relative speed equal to the sums of the speeds of the jeep and the train, so v = 70 + 31 = 101. The length of the train will be time × speed = $2 × 101$ = 202meters.

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This Blog Post/Article "Problems on Trains Quiz Set 011" by Parveen (Hoven) is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

Updated on 2019-08-18.