Find the number of terms of the A.P. ...

Find the number of terms of the A.P. `-12 ,\ -9,\ -6,\ dot,\ 12` . If 1 is added to each term of this A.P., then find the sum of all terms of the A.P. thus obtained.

Similar Questions

Explore conceptually related problems

Find the number of terms in the A.P 3,6,9,12,….,111

Add number of terms of the "A*P*-12-9,-6,.....If 1 is added to each terms of this AP, find the sum of the new AP.

If the n^(t h) term of an A.P. is (2n+1), find the sum of first n terms of the A.P.

Find the sum of the first 13 terms of the A.P: -6,\ 0,\ 6,\ 12 ,\ dot

Consider the A.P. 18,15,12.... Find the sum to n terms of the A.P.

If the sum of five terms of an A.P. is 75, then find the third term of the A.P.

The sum of 5 and 15 terms of an A.P. are equal. Find the sum of 20 terms of this A.P.

The sum of 20 and 28 terms of an A.P. are equal. Find the sum of 48 terms of this A.P.