(A) 1 : 3
(B) 3 : 2
(C) 3 : 4
(D) None of these
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(A) 1 : 3
(B) 3 : 2
(C) 3 : 4
(D) None of these
Answer: Option (B) 3 : 2
Explanation:
Let the speeds of the two trains be x m/sec and y m/sec respectively.
Then, length of the first train = 27x metres,
and length of the second train = 17y metres.
(27x + 17y) /(x+ y)= 23
27x + 17y = 23x + 23y
4x = 6y
x /y= 3/2 .