Multiple choice general knowledge math & puzzles The probability of getting a perfect square while rolling a fair dice is.. 1/4 1/3 2/3 1/6 Reveal answer Fill a bubble to check yourself B Correct answer Explanation A fair dice has six faces numbered 1 to 6. Only 1 and 4 are perfect squares (1=1^2, 4=2^2). So the probability is 2/6 = 1/3. Option A (1/4) and D (1/6) are incorrect, and C (2/3) would require 4 perfect squares which don't exist.