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 term 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 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 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 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 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 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 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.