Question

The mean of 6, 4, 7,’a’ and 10 is 8. The value of ‘a’ is

A. 10 B. 17 C. 9 D. 13​

Answer 1

Answer:

The first five natural numbers are 1, 2, 3, 4, 5. Given that the mean of 6, 4, 7, p and 10 is 8. So, the value of p is 13..

For this u need to learn how find mean ..

Step-by-step explanation:

Since 8 is the mean of 6, 4, 7, p, 10.

Therefore,

8=6+4+7+p+10 ÷5

40=27+p

p=13

Answer 2

Answer:

mean of given no.s= 8=6+4+7+a+10/5

40=27+a

so a=13

so option D.13 is correct.