What comes next: 20, 18, 21, 19, 22, 20, ___?
Correct answer: A. 23
The rule alternates: − 2, then + 3. 20 − 2 = 18, 18 + 3 = 21, 21 − 2 = 19, 19 + 3 = 22, 22 − 2 = 20, so the next is 20 + 3 = 23.
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Answer and explanation
The correct answer is A. 23
The rule alternates: − 2, then + 3. 20 − 2 = 18, 18 + 3 = 21, 21 − 2 = 19, 19 + 3 = 22, 22 − 2 = 20, so the next is 20 + 3 = 23.
Topic: Number Series Practice MCQs · Subject: Numerical Ability