Train A leaves town X for town Y and travels at a constant speed. At the same time train B leaves town X and also travels at a constant speed. Town Z is between X and Y. Town X, Z and Y lie on a straight line. Which train has greater speed ?
Statements:
I. Train B arrives at town Z before train A.
II. Town Z is closer to X than Y.

Statement I alone is sufficient to answer the problem.

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Statement II alone is sufficient to answer the problem.

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Statement I and II both are needed.

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Statement I and II both are not sufficient

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Solution

The correct option is D Statement I and II both are needed.
Both statement are necessary.
Statement 1 shows that B reached Z before A
Statement 2 shows that even though B had to cover more distance to reach Z than A,still it reached earlier.

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Similar questions

Q. Train A leaves town X for town Y and travels at a constant speed. At the same time train B leaves town Y for town X and also travels at a constant speed. Town Z is between X and Y. Towns X, Z and Y lie on a straight line.Which train has greater speed ?
Statements :
I. Train B arrives at town Z before train A.
II. Town Z is closer to X than Y

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The correct option is D Statement I and II both are needed.Both statement are necessary.Statement 1 shows that B reached Z before AStatement 2 shows that even though B had to cover more distance to reach Z than A,still it reached earlier.

The correct option is D Statement I and II both are needed.
Both statement are necessary.
Statement 1 shows that B reached Z before A
Statement 2 shows that even though B had to cover more distance to reach Z than A,still it reached earlier.