
Here we go ~
Problem 1 :
First term (
)= 8
Number of terms (n) : 5
Last term (
) = 100
Now, the last term can be represented as :

[ n = 5, as it has 5 terms and d is common difference ]





So, the terms of the sequence differ by 23
Therefore, the required sequence is :
- 8, (8 + 23), (8 + 23 + 23), (8 +23 + 23 + 23), 100
Peoblem 2 :
First term (
) : 10
Common difference (d) : 1/2
9th term (
) = ??
The general formula for a nth term in an Arithmetic sequence is :

[ n = 9, as we have to find 9th term of sequence ]




So, the 9th term of the sequence is 14
Problem 3 :
The 8th term and 9th term differ by : 60 - 54 = 6
so, the common difference (d) = 6
8th term can be represented as :


Let plug the value of 8th term, and common difference ~




Hence, 1st Term of the sequence is 12