Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
In an arithmetic progression, the first term is
7
7
7
and the common difference is
3
3
3
. Find the sum of the first 30 terms. a)
1560
1560
1560
b)
3030
3030
3030
c)
1515
1515
1515
d)
1530
1530
1530
Browse the problem library