- A40
- B38
- C39
- D41
Step-by-Step Solution
Terms are : 1+4, 4+4, 9+4, 16+4, 25+4. Next is 36 + 4 = 40. (Differences 3, 5, 7, 9 → 11.)
Answer: A) 40
What number completes 5, 8, 13, 20, 29, ?
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Which term is wrong in the series 6, 12, 22, 33, 48, 66, 87?Spot the wrong number in the series: 5, 10, 20, 40, 75, 160, 320.Exactly one term of 5, 8, 14, 23, 36, 50, 68 is wrong. Pick it.Look at 7, 6, 10, 27, 104, ? and pick the term that comes next.Find the term that should follow: 8, 27, 125, 343, 1331, ?