Lessons

General Aptitude
20.2 Time and Work - Data Sufficiency 1

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Q.

How long will Machine Y, working alone, take to produce x candles?

I. 

Machine X produces x candles in 5 minutes.

 II. 

Machine X and Machine Y working at the same time produce x candles in 2 minutes.

View Answer

Correct choice: D

Explanation:

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