Select the number from among the given options that can replace the question mark (?) in the following series.
2, 6, 9, 27, 30, 90, ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 93.
Given series: 2, 6, 9, 27, 30, 90, ?
2 × 3 = 6; 6 + 3 = 9; 9 × 3 = 27; 27 + 3 = 30; 30 × 3 = 90; 90 + 3 = 93