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Course: High school math (India) > Unit 4

Lesson 4: Arithmetic progressions
Math
High school math (India)
Class 10
Arithmetic progressions
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Arithmetic progressions 5.1

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Problem

The 4th and 12th terms of an arithmetic progression are 12 and 28 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