Formulae for finding increase or decrease per cent :

a number is increased by 20% and the increased number is decreased by 20% find the net increase or decrease per cent

A number is increased by 20 % and then decreased by 20 % find the net increase or decrease per cent ?

The salary of Gopal was increased by 10% and then the increased salary was decreased by 10% . Find the net increase or decrease per cent in his original salary.

A number is increased by 20% and then it is decreased by 10%. Find the net increase or decrease per cent.

A number is increased by 20% and then it is decreased by 20%. Find the net increase or decrease per cent.

Hence, the total number of students e 12. Anumber is increased by 20% and then decreased by 20%. Find the notice or decrease per cent? the given number bex

If the radius of the earth decreases by 1% without changing its mass, will the acceleration dure to gravity at the surface of the earth increase or decrease? If so, by what per cent?

If the radius of the earth decreases by 1% without changing its mass, will the acceleration dure to gravity at the surface of the earth increase or decrease? If so, by what per cent?

If the radius of the earth decreases by 1% without changing its mass, will the acceleration dure to gravity at the surface of the earth increase or decrease? If so, by what per cent?

If the height of a cylinder is increased by 15 per cent and the radius of its base is decreased by 10 per cent then by what precent will its curved surface area change ?