If -2/7, x, -7/2 are in G.P, then x =

Common ratio of G.P a^m-n, a^m, a^m+n.........is

If the sum of 3 numbers in A.P is 24 and their product is 440, then the numbers are

n^th term of the following sequence ak, ak³, ak⁵.......is

1 + 2 + 3 +........30 =

If in A.P S_n = Pn² and S_m= pm²  where S denotes the sum of r terms of the A.P then S_p is equal to

Find the 5^th term in the sequence a₁ = 3, a₂ = 3 and an = a_n-1 + a_{n-2 ;} a>2

The sum (m + n)^th term and (m - n)^th terms of an A.P is equal to twice the

Which term of the A.P -1, 3, 7, 11........is 91?

How many terms are in the sequence 5, 8, 11..........47?