Lessons

General Aptitude
19.2 Time and Distance - Data Sufficiency 1

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Q.

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.

View Answer

Correct choice: C

Explanation:

Since ratio of speed of X : Y is 3 : 4, then ratio of time will be 4 : 3.

 I. If Y takes 3 min, then X takes 4 min.

II. If Y takes 36 min, then X takes 4 x 36 min = 48 min.
3

Thus, I and II together give the answer.

∴ Correct answer is (E).

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