Find the value of x so that `-6,x,8 ` are in `Delta A.P.`

Find the value of x so that -6, x, 8 are in AP

Find the value of x so that -6, x, 8 are in AP

Find the value of p, if x, 2x + p and 3x + 6 are in A.P.

(a) Find the value of 'x if x + 1, 2x + 1 and x + 1 are in A.P. Also find the 4th term of this progression. (b) If k + 3, 2k + 1, k + 7 are in A.P., then find this progression upto 5 terms.

Find the value of k so that 8k +4, 6k-2, and 2k + 7 will form an A.P.

Write the value of x for which 2x ,\ x+10 and 3x+2 are in A.P.

Find the value of x such that P Q=Q R where the coordinates of P ,\ Q and R are (6,\ -1) , (1,\ 3) and (x ,\ 8) respectively.

Find the value of k if k+1, 2k+1 and k+7 are in A.P.. Also find the next two terms of the A.P.

Find the values of the parameter a so that the point (a, 2) is an interior point of the triangle formed by the lines x+y-4=0, 3x-7y-8=0and 4x-y-31 = 0.

Find the value of x if the area of triangle is 35 sq. units whose vertices are (x,4),(2,-6),(5,4).