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

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

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

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

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

9^th term of the sequence 3, 6, 12, 24........

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

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

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

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