Question
Find the missing term: 5, 6, 9, 15, ?, 40
Answer: Option B
The pattern is + 1, + 3, + 6, ............i.e., + 1, + (1 + 2) + (1 + 2 + 3)............... So, missing term = 15 + (1 + 2 +3 +4) = 25
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The pattern is + 1, + 3, + 6, ............i.e., + 1, + (1 + 2) + (1 + 2 + 3)............... So, missing term = 15 + (1 + 2 +3 +4) = 25
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