Question

A person was monthly income Rs6000 and his expenditure Rs 5000. Next month his monthly income increased 20% and expenditure increased 40%. What percentage increase in his expenditure?

Answer 1

monthly Income $=rs6000/-$

Expenditure $=rs5000/-$

next month Income $=\uparrow 20\%$

$=\frac{20}{100}\times 6000=1200+6000$

$=rs7200/-$

expenditure increase $=40\%$

$=\frac{40}{100}\times 5000=rs2000+5000/-$

$=rs7000/-$

Income in expendiure

$=rs7000-rs5000/-$

$=rs2000/-$

$\%$ Increase in expenditure $=\frac{2000}{6000}$

$=1/3$

$=33\frac{1}{3}\%$