20.
3
200.
200.
Exactly 70 of them
83 of them with a remainder of 5
2712 ÷ 6 = 452
210 ÷ 6 = 35
The probability of rolling a six is one in six. The probability of rolling three consecutive sixes is one in 216. (1/6 x 1/6 x 1/6 = 1/216)
12 times good luck
216 ÷ 3 = 72
216 / 12 equals 18