How many terms are there in the A.P. whose first and fifth terms are -14 and 2 respectively and the sum of the terms is 40?

How many terms are there in the A.P.whose first and fifth terms are - 14 and 2 respectively and the sum of the terms is40?

How many terms are there in an A.P. whose first and fifth terms are -14 and 2 respectively, and the sum of terms is 40?

How many terms are there in A.P. whose first and fifth terms are -14 and 2 respectively and the sum of terms is 40 ?

20 terms are A.P., if its first and last terms are 5 and 125 respectively, then the sum of its first 20 terms will be -

Find the sum of first 51 terms of the A.P. whose second and third terms are 14 and 18 respectively.

Suppose that the first and the 5^(th) terms of an A.P. are-14 and 2 respectively If the sum of the terms of the A.P is 40, find the number of terms in the A.P.

Find the sum of first 51 terms of an A.P. whose 2nd and 3rd terms are 14 and 18 respectively.