Question

Train X and Train Y running in opposite directions crosses each other in 25 seconds. Find the length of Train
X. Statement I: Speed of Train X to Train Y are in ratio 3:2. Statement II: Train X and Train Y crosses a man in 20 seconds and 15 seconds respectively.

Q: Answer-Train X and Train Y running in opposite directions crosses each other in 25 seconds. Find the length...

Let the length of Train X and Train Y be L1 and L2 respectively and let the speed of Train X to Train Y be 3x and 2x respectively. Length of Train X, L13x 20 L1 60x Length of Train Y, L22x 15 L1 30x Train X crosses Train Y in 25 seconds, 60x 30x3x 2x 25 90x5x 25 90x 125x Neither Statement I nor statement II is sufficient to answer the question.

For each of the following questions statements I and II are given. Use the data of those statements and then determine which of the following statements is necessary to answer the question:

A Statement I is alone sufficient to answer the question.

B Statement II is alone sufficient to answer the question.

C Either Statement I or statement II is sufficient to answer the question.

D Neither Statement I nor statement II is sufficient to answer the question.

E Both Statements I and II are necessary to answer the question.

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