Question

The mean of three numbers is 12. If two of the numbers are 14 and 16, find the third number

Answer 1

Answer:

8 is the third number

Answer 2

Mean of three numbers = 12

Sum of the three numbers = 12 × 3 = 36

First two numbers = 14 & 16

Third number = 36 – ( 14 + 16 )

= 36 – 30

= 6

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