Question

SSC Test Questions

A train 270 m long is moving at a speed of 24kmph. It will cross a man coming form the Opposite direction at a speed of 3kmph, in ?

Answer 1

speed of train = 24 km/h
speed of man = 3 km/h
relative speed = 24+3 = 27 km/h

distance = 270 m = 0.27km

time  = d/s = 0.27/27 = 0.01h = 60*0.01 minute = 0.6 minute = 36 second

Answer 2

Answer:

es

Let the numbers be 5x and 6x.Sum of squares = 549⇒ (5x)² + (6x)² = 549⇒ 25x² + 36x² = 549⇒ 61x²= 549⇒ x² = 549/61 = 9⇒ x = 3numbers are5x ... More