If the cost of 20 pens is equal to SP of 30pens,find loss%
Percentage:[(30-20)/30]*100=(1/3)*100=33.33%
If CP of 10 pens is equal to SP of 20 pens,find gain%
When 50 T.V sets of the same price were sold,a profit of 10 sets was obtained. Find gain%
When a person sold 66 dresses, he got the profit of 44 dresses, find his gain%
When I buy 18 pencils,2 pencils are free, what percent of discount is this equal to?
When I buy 3 pens,2 pens are free.What percent of discount is this equal to?