The first term of an AP is 5, the last term is 45 and the sum is 400. Find the number of teams

The first term of an AP is 5, the last term is 45 and the sum is 400. Find the number of teams

The first term of an AP is 5, the last term is 45 and the sum is 400. Find the number of teams and the common difference. |CLASS 10 MATHS 1/| |Ex 5.3| |ARITHMETIC PROGRESSION|