model 9 selling an article & interchanging its values Section-Wise Topic Notes With Detailed Explanation And Example Questions

Question : 1

By selling an article for Rs.240, a man incurs a loss of 10%. At what price should he sell it, so that he makes a profit of 20% ?

a) Rs.264

b) Rs.300

c) Rs.320

d) Rs.288

Question : 2

The selling price of an article is $8/5$th of its cost price. Then the gain percentage is

a) 20%

b) 60%

c) 68%

d) 28%

Question : 3

By selling 90 ball pens for Rs.160 a person loses 20%. The number of ball pens, which should be sold for Rs.96 so as to have a profit of 20% is

a) 36

b) 46

c) 47

d) 37

Question : 4

12 copies of a book were sold for Rs. 1800 thereby gaining cost price of 3 copies. The cost price of a copy of the book is :

a) Rs. 120

b) Rs. 1200

c) Rs. 1500

d) Rs. 150

Question : 5

By selling an article for Rs.665, there is a loss of 5%. In order to make a profit of 12%, the selling price of the article must be

a) Rs.812

b) Rs.790

c) Rs.784

d) Rs.800

Question : 6

By selling 80 ball pens for Rs.140 a retailer loses 30%. How many ball pens should he sell for Rs.104 so as to make a profit of 30%?

a) 32

b) 48

c) 42

d) 52