A man sitting in a train which is travelling @ 50kmph observes that a goods train, travelling in opposite direction, takes 9 sec to pass him. If the goods trains 280 m long, Find its speed in kmph
112
72
80
62
60
(50 + x) x 5/18 = 280/9
250 + 5x = 560
5x = 310
x = 62
0, 2, 8, 14, ?, 34
1, 4, 2, 8, 6, 24, 22, 88, ?
1, 4, 9, 16, 25, ?
Create Your Account
To keep connected with us please login with your personal information by phone
Dont't have an account? Register Now