" What is the sum of the first "10" terms of an A.P."41,36,31,26,......?

What is the sume of the first 10 terms of an A.P. 41,36,31,26,"….." ?

Find the sum of the first 10 terms of the A.P. 6,4,2,…..

What is the sum of first 10 terms of the A.P. 15, 10 ,5 ….?

The sum of the first ten terms of the A.P. 15,10,5,….is……

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 10 terms of the A.P. 4+6+8+………

The sum of the first p terms of an A.P. is q and the sum of the first q terms of the same A.P. is p. Find the sum of the first (p+q) terms of the A.P.

If the sum of the first 10 terms of an A.P. is 1,200 and First term is 30. Then find the 6^(th) term.

The sum of the first five terms of an A.P. and the sum of the first seven terms of the same A.P. is 167. If the sum of first 10 terms of this A.P. is 235, find the sum of its first twenty terms.