Select the number from among the given options that can replace the question mark (?) in the following series.
1, 3, 9, 27, ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 81.
Given series: 1, 3, 9, 27, ?
1 × 3 = 3; 3 × 3 = 9; 9 × 3 = 27; 27 × 3 = 81