Find the missing number: 2, 6, 12, 20, __, 42. What fits the blank?
Category: Math · Difficulty: hard
Hint: Consider the pattern between consecutive numbers.
Answer
A thirty number fits perfectly
Explanation
The numbers follow n(n+1), so for 5th term, 5*6=30.
This is a hard math riddle — a tricky one that takes a little thought. The answer is A thirty number fits perfectly.
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