Find the number that can replace the question mark in the following series: 15, 18, 17, 21, 20, 25, 24, 30, 29, ?
Question and options
Find the number that can replace the question mark in the following series: 15, 18, 17, 21, 20, 25, 24, 30, 29, ?
- 32
- 36
- 28
- 59
Answer and explanation
Correct answer: B - 36
Pattern +3, -1, +4, -1, +5, -1, +6, -1, +7: 15,18,17,21,20,25,24,30,29, then 29+7 = 36.
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