What is the 10th number in the sequence defined by the formula a_n = 3n + 1?
Category: Math · Difficulty: hard
Hint: Plug in n = 10 into the formula to find the number.
Answer
31
Explanation
Using the formula a_n = 3(10) + 1 results in 31.
This is a hard math riddle — a tricky one that takes a little thought. The answer is 31.
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