The average of 12 numbers is 35. If each of the numbers is multiplied by 2 then find the average of new set of numbers.
Answer & explanation
Correct answer: option 1
The sum of 12 numbers = 35 × 12= 420
Each number multiplied by 2
The sum of numbers multiplied by 2 = 420 × 2= 840
The New average of 12 numbers = \(\frac{840}{12}\) = 70