In the series 2, 6, 18, 54, ...... what will be the 8th term?
4374
7443
7434
4370
Correct Answer: A — 4374
Explanation:
This is a geometric progression with a common ratio of 3. The 8th term is found using a×rn−1=2×37=2×2187=4374a \times r^{n-1} = 2 \times 3^7 = 2 \times 2187 = 4374a×rn−1=2×37=2×2187=4374.