Join ExamsbookAnswer : 4. "91"
Find the wrong number in the series.
1, 2, 6, 15, 31, 56, 915
Q: Find the wrong number in the series. 1, 2, 6, 15, 31, 56, 91
- 131false
- 215false
- 356false
- 491true
- Show AnswerHide Answer
- Workspace
Answer : 4. "91"
Explanation :
Answer: D) 91 Explanation: The difference of the two consecutive numbers are 1, 4, 9, 16, 25, 35. This is clearly , +12, +22, +32, +42, +52,+62 Here 35 is wrong, So our wrong number is 91