- Aptitude Test Preparation
- Aptitude - Home
- Aptitude - Overview
- Quantitative Aptitude
- Aptitude Useful Resources
- Aptitude - Questions & Answers
Trains - Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Trains. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Q 1 - The speed of a train 150 m long is 50 kmph. How much time will it take to pass a platform 600 m long ?
Answer : B
Explanation
Speed =(50*5/18) m/sec. =125/9 m/sec Required time = (600+ 150)/ (125/9) sec.=(750*9/125)sec. =54 sec.
Q 2 - How much time will a train 171 m long take to cross a bridge 229 m long , if it is running at a speed of 45 kmph?
Answer : C
Explanation
Speed = (45*5/18)m/sec = 25/2 m/sec. Required time =(171+229)/(25/2) sec. = (400*2/25)sec. =32 sec.
Q 3 - A train crosses a pole in 15 sec. while it crosses a 100m long platform in 25 sec. The length of the train is
Answer : C
Explanation
Let the length of the train be x metres. Then, x/15 =(100+x)/25 ⇒ 25x=1500+15x ⇒ 10x = 1500 ⇒ x = 150 Hence, the length of the train is 150 m.
Q 4 - A train passes two persons two persons walking in the same direction in which the train is going. These persons are walking at the rate of 3km/hr and 5km/hr and the train passes them completely in 10sec. and 11 sec. respectively. The speed of the train is
Answer : B
Explanation
Let the length of the train be x km and its speed be y km/hr. Speed of the train relative to first man =(y-3)km/hr Speed of the train relative to second man = (y-5)km/hr x/ (y-3) = 10/(60*60) and x/ (y-5) = 11/(60*60) ⇒ y-3 =360x and 11y-55 =3600x ⇒ 10y-30= 3600x and 11y-55 = 3600x ⇒ 10y -30 = 3600x and 11y -55 = 3600x ⇒ 10y-30 =11y-55 ⇒ y= 25 ∴ speed of the train = 25km/hr.
Q 5 - Two trains A and B start running together from the same point in the same direction at 60 kmph and 72 kmph. If the length of each train is 240 m, how long will it take for the train B to cross train A ?
Answer : D
Explanation
Relative speed =(72-60)kmph =12kmph =(12*5/18)m/sec = 10/3m/sec. Total distance covered= (240+240)m= 480m Required time =(480*3/10)sec. =144 sec.= 2 min.24 sec.
Q 6 - A train is running at the rate of 40kmph. A man is going in the same direction parallel to the train at 25kmph . If the train crosses the man in 48 sec. , the length of the train is
Answer : D
Explanation
relative speed = (40-25)kmph =15kmph =(15*5/18) m/sec. =25/6 m/sec. Length of the train = (25/6*48)m= 200 m.
Q 7 - A train X start from Meerut at 4 pm and reaches Ghaziabad at 5p.m while another train Y start from Ghaziabad at 4p.m and reaches Meerut at 5.30 p.m . The two train will cross each other at
Answer : A
Explanation
Let the distance between meerut and Ghaziabad be x km. Time taken by y to cover x km =3/2 hours. Time taken by X to cover x km = 1 hours Speed of x = xkm/hr speed of y = 2x/3 km/hr Xy+2xy/3 =x ⇒ y (1+2/3) =1 ⇒ y = 3/5 hours = (3/5*60) min. =36 min. Hence, the two train meet at 4.36 p.m