Write the next four terms of the A.P. `2,-2,-6,-10,..........`

Write the next two terms of the A.P. : 3, -1, -5, ... .

Find the 25th term of the A.P. 6, 10, 14, ...

Is 313, a term of the A.P. 5, 10, 15, ..... ?

Is 68 as term of the A.P. 7,10,13,…?

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.

Find the sum of the first 11 terms of the A.P.: 2,\ 6,\ 10 ,\ 14 ,\ ddot

(i) Find the 10th term from the end of the A.P. 82, 79, 76, .... , 4 (ii) Find the 16th term from the end of the A.P. 3, 6, 9, .... 99