How much time did X take to reach the destination? I. The ratio between the speed of X and Y is 3 : 4.  II. Y takes 36 minutes to reach the same destination.

A.I alone sufficient while II alone not sufficient to answer

B.II alone sufficient while I alone not sufficient to answer

C.Either I or II alone sufficient to answer

D.Both I and II are not sufficient to answer

E.Both I and II are necessary to answer

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Answer=Option E

Two cars pass each other in opposite direction. How long would they take to be 500 km apart? I. The sum of their speeds is 135 km/hr.  II. The difference of their speed is 25 km/hr.

A.I alone sufficient while II alone not sufficient to answer

B.II alone sufficient while I alone not sufficient to answer

C.Either I or II alone sufficient to answer

D.Both I and II are not sufficient to answer

E.Both I and II are necessary to answer

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Answer=Option A

The towns A, B and C are on a straight line. Town C is between A and B. The distance from A to B is 100 km. How far is A from C? I. The distance from A to B is 25% more than the distance from C to B.  II. The distance from A to C is   of the distance C to B.

A.I alone sufficient while II alone not sufficient to answer

B.II alone sufficient while I alone not sufficient to answer

C.Either I or II alone sufficient to answer

D.Both I and II are not sufficient to answer

E.Both I and II are necessary to answer

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Answer=Option C

Two towns are connected by railway. Can you find the distance between them? I. The speed of the mail train is 12 km/hr more than that of an express train.  II. A mail train takes 40 minutes less than an express train to cover the distance.

A.I alone sufficient while II alone not sufficient to answer

B.II alone sufficient while I alone not sufficient to answer

C.Either I or II alone sufficient to answer

D.Both I and II are not sufficient to answer

E.Both I and II are necessary to answer

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Answer=Option D

A.35

B.36

C.37

D.40

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Answer=Option D

A.14 km

B.15 km

C.16 km

D.17 km

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Answer=Option C

A.2 : 3

B.3 : 2

C.3 : 4

D.4 : 3

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Answer=Option C

A.8 kmph

B.11 kmph

C.12 kmph

D.14 kmph

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Answer=Option C

A.5 kmph

B.6 kmph

C.6.25 kmph

D.7.5 kmph

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Answer=Option A

A.17 km/hr

B.25 km/hr

C.30 km/hr

D.35 km/hr

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Answer=Option D