The average of five numbers is If one of the numbers is deleted, the average of the remaining numbers is What is the value of me number deleted?

A    6.8

B    7.4

C    12.5

D    16.9 

Solution

Correct Answer: Option D

 

Total of 5 number is = 6.9 * 5 = 34.5

Total of 4 number is = 4.4 * 4 = 17.6

Thus, the deleted number is = (34.5 - 17.6)

                                        = 16.9

 

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