Select the number from among the given options that can replace the question mark (?) in the following series.
4, 5, 18, 19, 68, 69,?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 262.
Given series: 4, 5, 18, 19, 68, 69,?
The series follows this pattern:
4 + 1 = 5
42 + 2 = 18
18 + 1 = 19
43 + 4 = 68
68 + 1 = 69
44 + 6 = 262
So, the next term in the series is 262.