Solve the questions in which you have to subtract and add the numbers and give a fast solution and answer to them.
Eg. 459+932-20=1371
Solve the questions in which you have to divide and multiply the numbers and give a fast solution and answer to them in the limited time.
Eg. 25*6/3=50
Solve the questions in which you have to do all math operations with the numbers and give a fast solution and answer to them.
Eg. 60+40-20/10*3=94