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Re: The figure above shows two entries, indicated by m and n, in [#permalink]
10 Jan 2014, 21:45
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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.
The figure above shows two entries, indicated by m and n, in an addition table. What is the value of n + m?
(1) d + y = -3 (2) e + z = 12
When you modify the original condition and the question, n+m=(e+y)+(d+z)=(e+z)+(y+d)=?. Then you need all 1) & 2) and therefore the answer is C.
Once we modify the original condition and the question according to the variable approach method 1, we can solve approximately 30% of DS questions. _________________
Check out this awesome article about Anderson on Poets Quants, http://poetsandquants.com/2015/01/02/uclas-anderson-school-morphs-into-a-friendly-tech-hub/ . Anderson is a great place! Sorry for the lack of updates recently. I...