# Word Problem 1 (Profit calculation on marked price basis)

Problem 1: How much percent a tradesman increase on to the cost price to his goods so that he may make a net profit of 10% after allowing a customer a discount of 4% of his bill ?

a. 14-7/12%            b. 16-1/2%                        c. 20%                    d. 19-1/2%

(word problems on job exam mathematics.)

Solution:

We suppose her that Cost Price is ‘y’

i-e CP=y

First we will calculate Selling Price SP by using Profit formula

We know that; or But Profit is 10% of cost price i-e Put values in above relation  This is selling price !

Now we will calculate Marked Price MP using Discount formula;

Formula for Discount percentage is ; in short we write Now discount %age is given to be 4%

so,   But We have calculated above Put value;  This is marked price !

Now finally we can calculate sought increase in Cost Price CP using formula  Putting values of MP and CP and simplifying   So the option ‘a’ is correct Copyright secured by Digiprove © 2020
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
All original content on these pages is fingerprinted and certified by Digiprove
Insert math as
$${}$$