Exams › SSC CGL (Prelims) › Reasoning
Find the missing term: 1, 3, 6, 10, 15, ?
- 20
- 21
- 22
- 18
Correct answer: 21
Solution
The differences are +2, +3, +4, +5. The next difference should be +6, so the next term is 15 + 6 = 21.
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