Question

7. If the mean of 4, 6, x, 9, 10, 5 is 7, find the value of x.
The numher of children in 25 families are given below :​

Answer 1

Answer:

x=8

Step-by-step explanation:

mean=sum of the terms/no.of terms

7=4+6+9+10+5+x/6

7=34+x/6

7*6=34+x

42=34+x

42-34=x

8=x

Answer 2

7 = 4+6+x+9+10+5/6
7 x 6 = 4+6+x+9+10+5
42 = 34+x
34+x = 42
x = 42-34
x = 8(Ans).