July 2014

GMAT Prep: Averages Sample Problem 3
July 26, 2014  Author: Jashan
It was 7 cm of rainfall on Sunday. Average rainfall for the rest of the week was 3.5 cm. What is the average rainfall for the entire week?
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GMAT Prep: Averages Sample Problem 2
July 25, 2014  Author: Jashan
Sum of weights of 25 students is 1275 kg. Out of these 25 students, 24 students are chosen randomly and their average weight comes out to be 50 kg. How much is the weight of one remaining student?
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GMAT Prep: Averages Sample Problem 1
 Author: Jashan
Mike scores average of 21 in 7 math tests. His average in the first 3 tests is 19. What is his average in the last 4 tests?
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