What should come in place of the question mark '?' in the following number series? 12, 23, 45, 78, ?, 177
What should come in place of the question mark '?' in the following number series? 12, 23, 45, 78, ?, 177 Correct Answer 122
The series follows the following pattern:
12 + 11 = 23
23 + 22 = 45
45 + 33 = 78
78 + 44 = 122
122 + 55 = 177
মোঃ আরিফুল ইসলাম
Feb 20, 2025
