SOLUTION: The first term and the last term of an arithmetic series is 5 and 61 respectively while the sum of all the terms is 975. Determine the number of terms in the series

Question 1109442: The first term and the last term of an arithmetic series is 5 and 61 respectively while the sum of all the terms is 975. Determine the number of terms in the series
Answer by ikleyn(52788) (Show Source): You can put this solution on YOUR website!
.
The first term and the last term of an arithmetic series is 5 and 61 respectively while the sum of all the terms is 975.
Determine the number of terms in the series
~~~~~~~~~~~~~~~~~~~~~~~

Input data in your post is W R O N G.

I regret on my time that I spent for nothing to find it out.

RELATED QUESTIONS
The first term of an arithmetic series is -12 and the last term is 22. The sum of all the (answered by greenestamps)

The first and last term of the arithmetic progression are 3 and 21 respectively and the... (answered by tommyt3rd)

In an arithmetic series, the 3rd term is equal to 114 and the last term is equal to -27.... (answered by greenestamps)

An arithmetic series has 20 terms. The first is -50 and the last term is 83, find the sum (answered by checkley77)

How to calculate the number of terms if the first term in an arithmetic series is 2 the... (answered by Boreal)

The first term of an arithmetic series is 2. The 10th term is 61. Calculate s10. (answered by reviewermath)

The last three terms of an arithmetic sequence with 18 terms is as follows: 67,72,77. How (answered by ikleyn)

Find the sum of the first 30 terms of an arithmetic series if the 1st term is 5 and the... (answered by ikleyn)

the sum of the first and last terms of an arithmetic progression is 42.the sum of all the (answered by ikleyn)