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Divisible by 7

Expert replies
Source: — Problem Solving |

by edge » Sun Jul 31, 2011 1:32 pm
You will need to find the first and last 3-digit numbers divisible by 7 (7 x 15 = 105 and 7 x 142 = 994). Number of 'jumps' = (142 - 15 + 1) = 128. This is your answer.
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