Find the missing term in the given APs
a) -4, _, _, _, _, 6
b) _, 38, _, _, _, -22

Find the sum of terms of the A.P: 4, 9, 14,…., 89.

Find the sum of 20 terms of the AP 1, 4, 7, 10,....

Find the 11^(th) term of the A.P. -27, -22, -17, -12,…

Find the middle term of the A.P. 6, 13 , 20 , ...... 216.

Find the 12th term from the end of the AP -2, -4, -6, …, -100.

In the following APs, find the missing terms in the boxes : (i) 2,square,26 (ii) square,13,square,3 (iii) 5,square,square,(1)/(2) (iv) -4,square,square,square,square,6 (v) square,38,square,square,square,-22

Find the sum of 20 terms of the A.P. 1,4,7,10…..

Find the sum of the first 22 terms of the AP : 8,3,-2, . . . .

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

Find the sum of 50 terms of the A.P. 1 + 4 + 7 + ....