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Course: Class 10 (Old) > Unit 5

Lesson 2: Common difference of an AP
Math
Class 10 (Old)
Arithmetic progressions
Common difference of an AP
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Middle term of an arithmetic progression

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Problem

The nth and (n+8)th terms of an arithmetic progression are 10 and 36 respectively.
Find the value of the term lying exactly in between these terms.
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi