CAIE P1 2010 June — Question 7

Exam BoardCAIE
ModuleP1 (Pure Mathematics 1)
Year2010
SessionJune
TopicArithmetic Sequences and Series
7
  1. Find the sum of all the multiples of 5 between 100 and 300 inclusive.
  2. A geometric progression has a common ratio of \(- \frac { 2 } { 3 }\) and the sum of the first 3 terms is 35 . Find
    1. the first term of the progression,
    2. the sum to infinity.
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