Question

a man buys balloons 3 for a Rupee and sells them at 2 for a Rupee find his gain percent​

Answer 1

Answer :

he buys 3 balloons for 1 Rs

so 1 balloon cost him 1/3 Rs

then he sells 2 balloons for 1Rs

in this one balloon he earned 1/2 rs

in total for selling 3 balloons he earned 1 and 1/2 Rs

he had a profit of 1/2 Rs

gain % ={(profit)÷(cost)}×100

={(1/2)÷1 }×100

=50%