HOW TO FIND 1% OF ANY NUMBER ?

The error in the measurement of the radius of a sphere is 1% . Find the error in the measurement of volume.

If 40% of 4/5 of 3/4 of a number is 48, then what is 1% of the same number?

Rate of income tax is increased by 19% . Net Income is decreased by 1% . Find the rate of income tax

If x% ofy is equal to 1% ofz y% of z is equal to 1% ofx and z% of x is equal to 1% of y, then the value of xy+yz+zx is

Find: (a) 15% of 250 (b) 1% of 1 hour (c) 20% of Rs2500 (d) 75% of 1kg

A radioactive isotope has a life of T years. How long will it take the activity to reduce to (a) 3.125% (b) 1% of its original activity?