#4 – Figures
How many numbers greater than 1,000 are there consisting of four different figures that go in ascending order from left to right?
The Prize for This Question: Rubik’s Mini 2 x 2 Cube
The Winner of Puzzle #2: Mert Ali İhsan Kalın
This question was prepared by Emrehan Halıcı, president of the Turkey Intelligence Foundation, for Bilkent IEEE.