Question

The first term of an A.P. is 5, the common difference is 3 and the last term is 80;

Answer 1

In the given problem, we are given an A.P whose,

First term (a) = 5

Last term () = 80

Common difference (d) = 3

We need to find the number of terms present in it (n)

So here we will find the value of n using the formula,

So, substituting the values in the above mentioned formula

Thus,

Therefore, the number of terms present in the given A.P is