Answer to Question #77254 in Algebra for Vaibhavi

Question

a) Calculate the sum of all the even numbers from 2 to 100 inclusive
2+ 4+ 6+............+100

b) In the arithmetic series
k+ 2k+ 3k+................+100
k is a positive integer and k is a factor of 100

I) Find in terms of k, an expression for the number of terms in the series