Multiple choice Find the wrong number in the series. 8, 27, 64, 111, 216, 343 343 216 111 27 Reveal answer Fill a bubble to check yourself C Correct answer Explanation The series should be perfect cubes: 2^3=8, 3^3=27, 4^3=64, 5^3=125, 6^3=216, 7^3=343. The number 111 breaks this pattern (it should be 125).