What should come in place of the question mark (?) in the following number series ?
1, 5, 17, 53, 161, 485, ?
The pattern here followed is :
1 * 3 + 2 = 5
5 * 3 + 2 = 17
17 * 3 + 2 = 53
53 * 3 + 2 = 161
161 * 3 + 2 = 485
485 * 3 + 2 = 1457
Create a FREE account and get: