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 ?

If the sum of the 100 terms of an A.P. is -1 and the sum of the even numbered terms lying in first 100 terms is 1, then

If the sum of first 100 terms of an arithmetic progression is -1 and the sum of the even terms lying in first 100 terms is 1, then which of the following statement(s) is (are) correct?

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

If the sum of first p terms of an A.P is equal to the sum of the first q terms , then find the first (p+q) terms .

If the sum of first 7 terms of an A.P. is 49 and that of 17 terms is 289, find the sum of first n terms.

If the sum of first 7 terms of an AP is 49 and that of 17 terms is 289, find the sum of first n terms.

If the sum of first 7 terms of an AP is 49 and that of 17 terms is 289, find the sum of first n terms.

If the sum of first 7 terms of an AP is 49 and that of 17 terms is 289, find the sum of first n terms.