Question

48. For travelling a distance of 160 km,
a train travels at a speed of
80 km/hr. for 120 kms and the rest
at 40 km/hr. Find the average
speed of the train.
(A) 60 (B) 68 (C) 64 (D) 72
: 6 : ?
49. * : 5
A
(A) 8
(B) 1
3
(C)
(D) 0.25​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

Answer. time taken in first 120km=120/80=3/2h. time taken in next 40km=40/40=1h. average speed = total distance/total time taken