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Quantitative Aptitude

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Percentage & Averages

Question
26 out of 30
 

The average of seven results is 5; the average of first three is 3, and that of the last three is 7. The fourth result is



A 6
B 5
C 4
D 3
E None of these

Ans. B Fourth result = [(3x3) + (3x7)] – 7 x 5 = 40 – 35 = 5

Percentage & Averages Flashcard List

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