Question 123
Select the number from among the given options that can replace the question mark (?) in the following series.
123, 468, 91011, 121416, 171819, ?
Solution
1 2 3 are 3 consecutive numbers.
4 6 8 are alternate numbers.
9 10 11 are consecutive numbers.
12 14 16 are alternate numbers.
17 18 19 are consecutive numbers.
Considering the pattern, the next numbers should be alternate i.e. 20 22 24 and thus the answer is Option B - 202224.
