Remember the way you are going to present your paper will leave a long lasting impact on the examiner's mind. Here are a few suggestions that you must follow to avoid loosing marks unnecessarily.
1....
To find cube root by estimation we divide a number into two groups and find ones and tens from each group.
Example1):-Estimate cube root of 12167
Here we divide 12167 into two groups 12 and 167
Take...