Next term in the series 3/16 + 1/18 + 1/12 +.........is

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

The 10^th common term between the series 3+7+11+................ and 1+6+11+----- is

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

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

There are 15 terms in an A.P. Its first term is 5 and common difference is 3, then its middle term is

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

If t_n denotes the nth term of the series 2+3+6+11+18----------then t₅₀ is

8^th term of the A.P 9, 13, 17, 21.....is

Common ratio of the series 1/4 + 1/2 + 1.........is 256?