Track / Stage 3 / 249 of 260 #249 of 1964
Problem 249
AMC 10/12, early questions Algebra Difficulty 3.9 Find the answer South African Mathematics Olympiad · South Africa
How many zeroes will there be in the answer if the following number is divided by 111?
1110222222003333333330004444444444440000
A number or a short expression. Spacing, $ signs and \frac vs / are all fine.
Official solution
1111110222222003333333330004444444444440000=100020020000300300300000400400400400000, which contains 28 zeroes.
Source: MathNet,
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