Select the number from among the given options that can replace the question mark(?) in the following series.14, 26, 41, 61, 88, ?
- A114
- B124
- C120
- D136
Solution & Step-by-step Explanation
Let's find the difference between consecutive terms in the series: Now, let's look at the differences: .Let's find the second-level differences: The differences increase by consecutive odd numbers (). The next difference will increase by :
Therefore, the missing number is:
Therefore, the missing number is: