The sum of a series in A.P is 128. If the first term is 2 and the last term is 14, then the common difference is

A man saved Rs. 16,500 in 10 years. In each year after the first he saved Rs 100. Then how much did he save in the first year?

If p times the p^th term of an A.P is equal to q times the q^th term, then (R+q)th term is

The sum of n terms of an A.P 4n² +5n. Then the series is

The 5^th terms of an AP whose 10^th term is 43 and common difference is 4 is

Eleventh term of series whose n^th term is 101-3n is

The sum of the series 72+70+68......... +40 is

The sum of n terms of a series is (n²=2n) for all values of n. Then the first 3 terms of the series is

If 8k+4, 6k-2 and 2k+1 will form an A.P then the value of k is

Given 5^th term of an A.P is 11 and 9^th term is 7, then 16^th term is