Subject: General Aptitude · Chapter: Problems on Trains · Exam: 2016 · Marks: · Difficulty:
A train which is moving at an average speed of 40km/h reaches its destination on time. When its average speed reduces to 35 km/h, then it reaches its destination 15 minutes late. The distance travelled by the train, is
(a)70km
(b)80km
(c)40km
(d)30km
Answer
Answer (as printed): A
Explanation
Average speed of train $=40 \mathrm{km} / \mathrm{h}$ Reach at its destination at on time New average speed of train = 35 km/h