Question

if the sp of 25 balls equal to cp of 15 balls find profit%or loss %

Answer 1

let the cp of 1 ball be x
cp of 15ball=15x =sp of 25 ball
so sp of 1 ball =15x/25=3x/5
profit=cp-sp=x-3x/5=2x/5
profitt%= profit/cp *100
=(2x/5)/x *100 = 40%Answer