[" 7th ferem of an AP is "40" .The scum of "],[" Ifes fircet "13" th teremis "]

7th term of an A.P. is 40. then the sum of the first 13 terms is

7^(th) term of an A.P. is 40. Then, the sum of first 13 terms is

If the 7^(th) term of n A.P is 40. Then the sum of its first 13 terms is

The sum of the 3rd and 7th terms of an A.P. is 54 and the sum of the 5th and 11th terms is 84. Find the A.P.

The sum of the 3rd and 7th terms of an A.P. is 54 and the sum of the 5th and 11th terms is 84. Find the A.P.

The 5th term of an AP is 20 and the sum of its 7th and 11th terms is 64. The common difference of the AP is

The 4th term of an AP is 11. The sum of the 5th and 7th terms of this AP is 34.Find its common difference.

The 9th term of an AP is -32 and the sum of its 11th and 13th terms is -94. Find the common difference of the AP.

If sum of the 3rd and the 8th terms of an AP is 7 and the sum of the 7th and 14th terms is -3, then find the 10th term.

If sum of the 3rd and the 8th terms of an AP is 7 and the sum of the 7th and 14th terms is -3 , then find the 10th term.