Some of the common strategy used by 800 scorer in maths section.
* Backsolve the problem. Substitute values for variable . start with last option or In case of concrete values use middle option then increase or decre values
* In algebra ,Modify / Rewrite the answer choices in order to work easily
* In geo metry , find out lengths of unknown sides from length of known sides
* Use diagrams/scratch paper to understand problems Cr eate secondary diagrams from existing ones if necessary
* All mixture problem hangs on the formula part = percent * whole
* In data sufficiency, the obvious one will have a catch , look for the catch. Pick the numbers inorder to solve the problem
* Mizture problems can be solved problem using numbers
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