Number Series · Question 29 · Hard
Find the next number in the series: 2, 3, 10, 15, 26, 35, 50, ?
- 64
- 62
- 63
- 65
Answer and explanation
Answer: C. 63
Explanation: The terms are n² + 1 for odd n and n² − 1 for even n: 1+1, 4−1, 9+1, 16−1, 25+1, 36−1, 49+1, so the next is 8² − 1 = 63.
Previous: Find the next number in the series: 6, 7, 15, 42, 106, ? · Next: Find the next number in the series: 1, 2, 6, 21, 88, 445, ?
Practise number series
Try a fresh set of number series questions with an explanation after every answer, free and without signing up: Number Series practice. Or sit a full placement mock test.
More number series questions
- Find the wrong number in the series: 2, 6, 12, 20, 30, 42, 58
- Find the next number in the series: 1, 2, 9, 64, 625, ?
- Find the next number in the series: 6, 7, 15, 42, 106, ?
- Find the next number in the series: 1, 2, 6, 21, 88, 445, ?
More logical reasoning practice
Letter Series · Coding–Decoding · Blood Relations · Direction Sense · Seating Arrangement · Syllogisms · Analogies · Odd One Out
LogicWiz Exams home · All practice topics · Placement mock tests · Daily 10 challenge