To express as a fraction =
Thus, = =
= = =
To express as a percentage, we have =
Thus = = = 25%
if the price of commodity increases by R% than the reduction in consumption so as not to increase the expenditure is
Do – decreases R% ______ do__
Result on Population– let the population of a town be P now & suppose increases at the rate of (@) R % annum then.
Population after n year =
Population n year ago =
Result on depreciation (decrease-) Let the present value of a machine BCp suppose it depreciate @ R% per annum then.
Value of machine after n year =
Value of machine n year ago =
if A is R% more than B, B is less than A by
If A is R% less than B, then B is more than A by