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If the 3rd term of an arithmetic progression is 15 and the 7th term is 27, what is the common difference?

Practice Questions

1 question
Q1
If the 3rd term of an arithmetic progression is 15 and the 7th term is 27, what is the common difference?
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Questions & Step-by-step Solutions

1 item
Q
Q: If the 3rd term of an arithmetic progression is 15 and the 7th term is 27, what is the common difference?
Solution: Let the first term be a and the common difference be d. From the equations a + 2d = 15 and a + 6d = 27, solving gives d = 3.
Steps: 0

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