The sum of first 14 terms of an AP is 1050 and its first term is 10, then find the 21st term of the AP.

If the sum of first 14 terms of an A.P. is 1050 and its first term is 10, find the 20^(th) term.

If the sum of the first 14 terms of an AP is 1050 and its first term is 10 , find the 20th term .

If the sum of the first 14 terms of an AP is 1050 and its first term is 10, find the 20^(t h) term.

Sum of the first 14 terms of an AP is 1505 and its first term is 10. Find is 25th term.

The sum of first 14 terms of an AP is 1050 and its 14th terms 140. Find the 20th term.

The first term of an A.P. is 20 and the sum of its first seven terms is 2100, find the 31st term of this A.P.

If the sum of first p terms of an A.P. is equal to the sum of the first q terms, then find the sum of the first (p + q) terms.

If the sum of first p terms of an A.P. is equal to the sum of the first q terms, then find the sum of the first (p+q) terms.

If sum of first 6 terms of an AP is 36 and that of the first 16 terms is 256 , then find the sum of first 10 terms.

If sum of first 6 terms of an AP is 36 and that of the first 16 terms is 256 , then find the sum of first 10 terms.