Problems on Trains - Quantitative Aptitude (MCQ) questions for Q. 20620

Q.  A train travels a certain distance by taking 3 stops of 20 minutes each. Considering the period of stoppage, the overall speed of the train comes to 40 kmph; while without consideration of stoppage, it is 60 kmph. How much distance must the train have travelled ?
- Published on 07 Jul 17

a. 170 kms
b. 120 kms
c. 270 kms
d. None of these
e. Cannot be determined

ANSWER: 120 kms
 
Let the time taken to travel the distance without taking stops be “b” hours.
Thus, we get,
60 x b = 40(b + 1)
b = 2
Thus, we get 60 x 2 = 120 kms

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