Question

The mean of numbers is 10. Three of the number are 8,16 and 24. Find the value of the another number ​

Answer 1

Answer:

        x = -8

Step-by-step explanation:

no of numbers = 4

mean of 4 numbers = 10

4th number = x

8 + 16 + 24 + x / 4 = 10

48 + x = 10 × 4

48 + x = 40

x = -8

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