[" 5.The first term of an "AP" is "5" ,the last term is "45" and the sum is "400" .Find the number of terms "],[" and the common difference."]

The first of an A.P is 5, the last term is 45 and the sum is 400. Find the number of terms and the common difference.

The first term of an A.P is 7 , the last term is 47 and the sum is 432 . Find the number of terms and the common difference .

The first term of an A.P. is 5, the last term is 45 and sum is 400. Find the number of terms and the common difference.

The first term of an A.P. is 5, the last term is 45 and sum is 400. Find the number of terms and the common difference.

The first term of an A.P. is 5, the last term is 45 and the sum of its terms is 1000. Find the number of terms and the common difference of the A.P.

The first term of an A.P. is 3, the last term is 83 and the sum of all its terms is 903. Find the number of terms and the common difference of the A.P.

The first term of an A.P. is 5 and the last term is 45. If the sum of all the terms in 400. the number of terms is

The first term of A.P. is 5, the last is 45 and their sum is 400. If the number of terms is n and d is the common differences , then ((n)/(d)) is equal to :

The first term of A.P. is 5, the last is 45 and their sum is 400. If the number of terms is n and d is the common differences , then ((n)/(d)) is equal to :

The first term of an AP. is 5, the common difference is 3 and the last term is 80; find the number of terms.