Find the sum of first 100 terms of A.P. 14, 16, 18,……..

Find the sum of the first 100 terms of the A.P. 12,14,16,18,….

Find the sum of first: a] 13 term of AP 2, 6, 10, 14, ..... b] 20 terms of AP -6, 0, 6, 12, ...... c] 15 term of AP 18, 16, 14, .........

The sum of first 16 terms of the A.P.: 10,6,2,... Is

The sum of first 16 terms of the A.P.: 10,6,2,… is :

Find the sum of first 51 terms of an A.P. whose second and third terms are 14 and 18 respectively.

Find the sum of first 51 terms of an A.P. whose 2nd and 3rd terms are 14 and 18 respectively.

The sum of first 16 terms of the AP 5, 8, 11, 14, ….. Is. ………. .

The sum of first 16 terms of the AP 5, 8, 11, 14, ….... is