if the sum of `12^th` and `22^th` terms of an AP is 100. Find the sum of first 33 terms.

If the sum of 12 th and 22nd terms of an AP is 100 then the sum of the first 33 terms of the AP is

If the sum of first 20 terms of an AP is equal to the sum of first 30 terms, then the sum of first 50 terms is.... a)50 b)20 c)0 d)80

If the sum of the first 100 terms of an AP is -1 and the sum of even terms lying in first 100 terms is 1, then which of the following is not true?

16^(th) term of an arithmetic sequence is 84 added to the 4^(th) term? If the 24^(th) term is 170 then Find the sum of first 24 terms.

Suppose that the first and the 5^(th) terms of an A.P. are-14 and 2 respectively If the sum of the terms of the A.P is 40, find the number of terms in the A.P.

The sum of first 9 terms of an arithmetic sequence is 45 and the sum of first 18 terms is 171. Find its 14^(th) term.

The sum of first 9 terms of an arithmetic sequence is 45 and the sum of first 18 terms is 171. What is its 5^(th) term?

If the sum of first 75 terms of an AP is 2625, then the 38th term of the AP is

In an A.P., if 5 ^(th) term is (1)/(7) and 7^(th) term is (1)/(5), then the sum of first 35 terms is

In an arithmetic sequence, the sum of first and third terms is 6 and the sum of second and fourth terms is 20. Then the 11^(th) term is