tricks for MAT questions?
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multiply
46×28=46×(30-2)=answer fast
very useful
example
38×96=mean of the numbers is 38+96÷2=67
(67-29)×(67+29)=67²-29²= fast answer
squaring trick
example
(64)²=
6²=36
4²=16
6*4=24
3616
+24
-------------------
3856
-------------------
answer
46×28=46×(30-2)=answer fast
very useful
example
38×96=mean of the numbers is 38+96÷2=67
(67-29)×(67+29)=67²-29²= fast answer
squaring trick
example
(64)²=
6²=36
4²=16
6*4=24
3616
+24
-------------------
3856
-------------------
answer
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