" 24.If the arithmetic mean of "x,x+3,x+6,x+9" and "x+12" is "10," then find "x

If the arithmetic mean of 7, 5, 13, x, 9 and 10 is 10, then value of x is

If the arithmetic mean of x ,\ x+3,\ x+6,\ x+9, and x+12 is 10, the x= (a) 1 (b) 2 (c) 6 (d) 4

If the arithmetic mean of x ,\ x+3,\ x+6,\ x+9, and x+12 is 10, the x= (a) 1 (b) 2 (c) 6 (d) 4

The arithmetic mean of 7, x-2, 10, x+3 is 9 find x.

The arithmetic mean of 6, 10, x and 12 is 8 . The value of x is

If the mean of five observations x,x +3, x+6, x+ 9 and x+ 12 is 15, then find the mean of first three observations

If the arithmetic mean of 7,\ 5,\ 13 ,\ x and 9 is 10 , then the value of x is (a) 10 (b) 12 (c) 14 (d) 16

True/false Is arithmetic mean of 7,5,13,x and 9 is 10, then x is 5.

Find the Arithmetic mean of x+77 , x+7 , x+5 , x+3 and x-2.

If the arithmetic mean of 7,5,13,x and 9 is 10, then the value of x is 10 b) 12(c)14(d)16