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Quantitative Aptitude

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Percentage & Averages

Question
14 out of 30
 

The average weight of 20 student in a class is increased by 1 kg when one of the student weighting 30kg is replaced by a new student weight of new student is



A 20
B 30
C 40
D 50
E None of these

Ans. D Weight of new student = 20 × 1 + 30 = 50 kg

Percentage & Averages Flashcard List

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