Question

38. Two trains P and Q start simultaneously from stations
Hyderabad and Vijayawada towards each other
respectively. After they cross each other, P takes
4 hours and Q takes 6 hour 15 minutes to their
respective destinations. If the speed of train Q is
60 km/hr, find speed of the train P.
(1) 48 km/hr (2) 75 km/hr (3) 60 km/hr
(4) 63 km/hr (5) None of these​

Answer 1

Answer:

time taken till the meeting point be t

speed of p be v.

60 x t = 4 x v   ...  (1)

v x t = 6.25 x 60 .. (2)

dividing (1)/(2)

60/v = 4v/6.25x60

v^2 = 60x6.25x60/4

v = 60 x2.5/2

v =75 km/hr