Discussion
In the series 2, 6, 18, 54, …… what will be the 8th term ?
Answer: B
Correct answer: 4374
The series multiplies by 3 each time, so the \( n \)th term is \( 2 \times 3^{\,n-1} \). The eighth term is \[ 2 \times 3^{7} = 2 \times 2187 = \mathbf{4374} \]
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