Question 3
EasyOriginal questionWhat should replace the question mark in 11, 14, 20, 29, 41, ?
Show the answer and explanation
CorrectNot quiteAnswer C
Correct answer: C
Explanation
Differences: 3, 6, 9, 12. They go up by 3 each time.
The next difference is 15, so the next term is .
Worth noting
53 repeats the last difference, 12. The differences are themselves a series and must be continued.
- Concept
- Differences forming an arithmetic series
- Typical timeTypical
- 40 s
- Your timeYours
- —
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Ten questions from Number and Letter Series, at your own pace.