Question

A businessman sold one third of his merchandise at a loss of 10% what percentage of gain should sell the remaining good student 10% on the phone

Answer 1

Total cost price =300

1/3 Rd mean=100

2/3 Rd mean=200

whole transaction profit=110/100*300=330

100*(85/100)+200*(x/100)=330

x=122.5

2/3 rd article sold at22.5%

Answer 2

Answer:

Explanation:    cp=300

100-------300

110-------- x      =>x=300 * 110 =330    

                                  100

100----300

90------- x      =>x=300*90 =270     =330-270=>60

                               100

100-----300

x--------60   => x= 60*100 = 20%

                                300