" if any A.P.के Third and ninth terms क्रमश: 4और "-8" है.वो Emka कीन- Bit "

The third term of an A.P. is 8. and the ninth term of the A.P. exceeds three times the third term by 2. Find the sum of its first 19 terms.

The sum of third and ninth term of an A.P is 8. Find the sumof the first 11 terms of the progression.

Find: the ninth term of the G.P.1,4,16,64

The sum of the third and the seventh term of an A.P. is 6 and their product is 8. Find the sum of first sixteen terms of an A.P.

The third term and nineth terms of an A.P.are 4 and -8 respectively.Find which term of A.P. is equal to 0.

Find four consecutive terms in an A.P. whose sum is -8 and sum of third and fourth term is 8 .

The sum of the third and the seventh terms of an A.P. is 6 and the product is 8. Find the sum of first sixteen terms of the A.P

The sum of the third and the seventh terms of an A.P. is 6 and the product is 8. Find the sum of first sixteen terms of the A.P.

The sum of the third and seventh terms of an A.P is 6 and their product is 8 find the sum of first sixteen terms of the A.P.

Find: the ninth term of the G.P. 1,4,16,64,………