Select the number from among the given options that can replace the question mark(?) in the following series.17, 28, 43, 62, 85, 112, ?
- A119
- B139
- C143
- D128
Solution & Step-by-step Explanation
Let's check the differences between consecutive terms in the series: The differences are , which form an arithmetic progression with a common difference of .The next difference will be:
Therefore, the missing number is:
Therefore, the missing number is: