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n and k are positive integers. If n=(22)(3)(53)/15k, is n<

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by Max@Math Revolution » Thu Jun 09, 2016 9:46 pm
n and k are positive integers. If n=(22)(3)(53)/15k, is n<k?
1) n<10
2) k>4

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Source: — Data Sufficiency |
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by Max@Math Revolution » Mon Jun 13, 2016 12:09 am
If we modify the original condition and the question, we get n=100/k, k=100/n. If we substitute this into n<k?, the question becomes n<100/n?, n^2<100=10^2?, n<10?. Hence, the correct answer is A.

- Forget conventional ways of solving math questions. In DS, Variable approach is the easiest and quickest way to find the answer without actually solving the problem. Remember equal number of variables and independent equations ensures a solution.
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