Average of three positive numbers is 25. Out of these three numbers, the average of two numbers is 11. Which is the smallest number?

# Archives for August 2014

## GMAT Prep: Averages Sample Problem 5

Average of weights of 35 students is 45 kg. If we add one more student John then their average becomes 45.5 kg. How much is the weight of John?

## GMAT Prep: Averages Sample Problem 4

Average of weights of Mike and Susan is 35 kg. Average of weights of Mike and Ashley is 40 kg. Average of weights of Ashley and Susan is 45 kg. How much is the weight of Susan?

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