Number Series · Question 5 · Easy
Find the next number in the series: 6, 11, 21, 36, 56, ?
- 76
- 81
- 80
- 86
Answer and explanation
Answer: B. 81
Explanation: The differences are 5, 10, 15, 20 (multiples of 5), so the next difference is 25: 56 + 25 = 81.
Previous: Find the next number in the series: 5, 8, 12, 17, 23, ? · Next: Find the next number in the series: 2, 3, 5, 9, 17, ?
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 next number in the series: 2, 6, 18, 54, ?
- Find the next number in the series: 1, 4, 9, 16, 25, ?
- Find the next number in the series: 5, 8, 12, 17, 23, ?
- Find the next number in the series: 2, 3, 5, 9, 17, ?
- Find the next number in the series: 1, 2, 6, 24, 120, ?
- Find the next number in the series: 4, 10, 22, 46, 94, ?
- Find the next number in the series: 2, 12, 36, 80, 150, ?
- Find the wrong number in the series: 3, 5, 9, 17, 33, 66, 129
- Find the next number in the series: 0, 6, 24, 60, 120, ?
- Find the next number in the series: 3, 4, 10, 33, 136, ?
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