The average of 12 numbers is 9 If each number is multiplied by 2 and added to 3 the average of the n...........

Quantitative Aptitude (CGL) Average

The average of 12 numbers is 9. If each number is multiplied by 2 and added to 3, the average of the new set of numbers is

The sum of all 12 numbers = 12*9 = 108;
The required average = (108*2 +3 )/12 = 18.25

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