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=> Forget conventional ways of solving math questions. For DS problems, the VA (Variable Approach) method is the quickest and easiest way to find the answer without actually solving the problem. Remember that equal numbers of variables and independent equations ensure a solution. The first step of ...
- by [email protected]
Tue Apr 16, 2019 9:41 pm- Forum: Data Sufficiency
- Topic: If m and n are positive integers, is m^2-n^2 divisible by 4?
- Replies: 3
- Views: 533
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Can u please clarify the highlighted portion below ? Forget conventional ways of solving math questions. For DS problems, the VA (Variable Approach) method is the quickest and easiest way to find the answer without actually solving the problem. Remember that equal numbers of variables and independe...
- by [email protected]
Mon Apr 15, 2019 6:12 am- Forum: Data Sufficiency
- Topic: If m and n are positive integers, is m^2-n^2 divisible by 4?
- Replies: 3
- Views: 533