I begin with a single digit, and as I grow, I double, then subtract two. What sequence am I, if you count my first five terms?
Category: Math · Difficulty: hard
Hint: Start small and pay attention to the operations.
Answer
1, 2, 2, 4, 6
Explanation
The sequence starts at 1, doubles to 2, subtracts 2 (resulting in 2), doubles to 4, and adds 2 for 6.
This is a hard math riddle — a tricky one that takes a little thought. The answer is 1, 2, 2, 4, 6.
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