Q. 7, 9, 66, 12, 14, 66, 17, ... choose which pair of numbers comes next?
✅ Correct Answer: (A)
19, 66
Explanation: This is an alternating addition series with repetition, in which a random number, 66, is interpolated as every third number. The regular series adds 2, then 3, then 2, and so on, with 66 repeated after each "add 2" step.
Explanation by: Praveen Singh
This is an alternating addition series with repetition, in which a random number, 66, is interpolated as every third number. The regular series adds 2, then 3, then 2, and so on, with 66 repeated after each "add 2" step.