" (i) Find the sum of the A.P "72+70+68+............+40

Find the sum of the series 72 +70 +68 + .... + 40

Find the sum of the series : 72 + 70 + 68 +....+ 40?

Find the sum of the sequence, 72 + 70 + 68 + ………. + 40

(i) Find the number of terms in the A.P. 8, 12, 16, ........124 (ii) Find the number of terms in the A.P. 75, 70, 65, .....15

(i) Find the number of terms in the A.P. 8, 12, 16, ........124 (ii) Find the number of terms in the A.P. 75, 70, 65, .....15

Which term of the sequence 72, 70, 68, 66,... is 40?

Find 10^(th) term of an A.P. 115,100,85,70,.........

Is 68 as term of the A.P. 7,10,13,…?

Is 68 a term of the A.P.7,10,13, ?

Find t_(11) for the A.P. 70,68.5,67,65.5,…