2008 iTest Problems/Problem 15
Problem
How many four-digit multiples of are greater than ?
Solution
We can make a list of four-digit multiples of that are greater than The smallest multiple of that is larger than is so we can start with The largest four-digit multiple of 8 is Divide everything in the list by Now subtract from every member of the list. There are numbers in this list, so there are four-digit multiples of that are greater than
- Feel free to edit answer if this is not correct, but do not edit the process.
See Also
2008 iTest (Problems) | ||
Preceded by: Problem 14 |
Followed by: Problem 16 | |
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