Answer: 8.
- A 6
- B 8
- C 10
- D 16
Correct answer: B. 8
Explanation: GM = sqrt(2 × 32) = sqrt(64) = 8.
Bar heights for AP 2, 5, 8, 11 with the common difference d=3 marked between consecutive terms.
Concept context
Arithmetic progressions, geometric progressions, and sums