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Let the speed one train be x m/s and the speed of the second train be y m/s. Length of the first train = Speed × Time = 31x Length of second train = Speed × Time = 19y So, {(31x + 19y)/(x+y)} = 24 ⇒ 31x + 19y = 24x + 24y ⇒ 7x = 5y Therefore, x:y = 5:7
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Which of the following combination is true?
Who sits second to the right of W?
If D is related to A and B is related to C in a certain way. Then, who among the following is related to F?
Who among the following sits at extreme end of the row?
Six persons N, O, P, Q, R, and S sit in a linear row and face towards north direction. The distance between two adjacent persons is same in the row. R s...
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Who among the following person sits second to the left of V?
The number of persons sits between R and S is the same as between O and _____, when counted from the right of both S and O?
