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The average of 12 numbers is 39. If the number 52 is also included, then what will be the average of these 13 numbers?

A43.33

B46

C42

D40

Answer:

D. 40

Read Explanation:

average of 12 numbers is 39. sum of 12numbers = 12 x 39 = 468 new number 52 468+52=520 520/13=40


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