If x, 3x + 2, x + 10 are in A.P. Find the value of x.
Since, x, 3x + 2, x + 10 are in AP.
2 (3x + 2) = x + (x + 10)
6x + 4 = 2x +10
6x - 2x = 10 -4 4x = 6 x = 1.5
If x+1, 3x and 4x+2 are in A.P., find the value of x.