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Length of train M = x Length of train N = y Speed of train M = 60 kmph Length of platform = a Speed of train N = z x + a = 60 * 5/18 * 60 x + a = 1000 x = (60 + 12) * 5/18 * 30 x = 600 m Length of platform = 1000 – 600 = 400 m Length of train N = 400 * 9/5 = 720 m 720 + 600 = (z – 60) * 5/18 * 158.4 z – 60 = 30 z = 90 kmph Time taken by train N crosses a platform = (400 + 720)/ (90 * 5/18) = 44.8 seconds Time taken by train M crosses train N = (720 + 600)/ ((90 + 60) * 5/18) = 31.68 seconds Required difference = 44.8 – 31.68 = 13.12 seconds
There are six persons F, G, H, I, J and K sitting around the circular table facing towards the centre. F sits second to the right of H. One person sit b...
Who is the husband of S?
Who among the following sits third to the left of F?
Which of the following can be the correct conclusion drawn from the impression B + C @ D + E $ F % G?
Four of the following were in a certain group, which of the following that does not belong to that group?
Which of the following laptop does C use?
In which of the following statement the third person faces the one who sits exactly between the first and the second person in the following arrangement...
Six D, E, F, G, H and I are sitting in a row facing north (not necessarily in the same order). Only three person are sitting between G and E. G is not a...
Four of the following five are like in a certain way and form a group. Which of the following does not belong to that group?
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