Select the number from among the given options that can replace the question mark (?) in the following series.
729, 512, 343, ?, 125
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e., 216.
(9)2 = 729, (8)2 = 512, (7)2 = 343, (6)2 = 216, (5)2 = 125