CAIE P1 2002 June — Question 4

Exam BoardCAIE
ModuleP1 (Pure Mathematics 1)
Year2002
SessionJune
TopicArithmetic Sequences and Series

4 A progression has a first term of 12 and a fifth term of 18.
  1. Find the sum of the first 25 terms if the progression is arithmetic.
  2. Find the 13th term if the progression is geometric.