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If the 2nd term of a geometric progression is 8 and the 4th term is 32, what is the common ratio?

Practice Questions

1 question
Q1
If the 2nd term of a geometric progression is 8 and the 4th term is 32, what is the common ratio?
  1. 2
  2. 4
  3. 1
  4. 3

Questions & Step-by-step Solutions

1 item
Q
Q: If the 2nd term of a geometric progression is 8 and the 4th term is 32, what is the common ratio?
Solution: Let the first term be a and the common ratio be r. Then, 2nd term = ar = 8 and 4th term = ar^3 = 32. Dividing these gives r^2 = 4, so r = 2.
Steps: 0

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