A woman spends 2/3 of her income. If her income increases by 18% and the expenditure increases by 24% then the percentage increase in her savings will be:

Options
a) 3%
b) 6%
c) 4%
d) 5%

Solution

Let the Income = x
Expenditure =
Saving =
Income increases 18% =
Expenditure increases 24% =

Expenditure increases 24% =
New saving = Income – Expenditure
New saving =

Income in saving =

% Income saving = = 6%

Answer: 6%