WORD PROBLEMS IN PERCENTAGE WITH SOLUTIONS

Problem 1 :

A student multiplied a number by 3/5 instead of 5/3. What is the percentage error in the calculation ?

Solution

Problem 2 :

There are 15 boys and 12 girls in a section A of class 7. If 3 boys are transferred to section B of class 7,then find the percentage of boys in section A.    

Solution

Problem 3 :

If there are 3 boys and 7 girls in a class then, what percent of the class is made up of boys ? 

Solution

Problem 4 :

Two numbers are respectively 20% and 50% are more than a third number, Find the the ratio of the two numbers. 

Solution

Problem 5 :

In a triangle, the first angle is 20% more than the third angle. Second angle is 20% less than the third angle. Then find the three angles of the triangle.

Solution

Problem 6 :

A trader cheats his customer to make a profit by stating that he sells at cost price but gives his customers only 800 grams. for every 1000 grams. What is his profit percentage?

Solution

Problem 7 :

A sells to B an item at 15% profit. B sells the same item to C at 20% profit. If C pays $1656 for it, find the price at which A bought the item.

Solution

Problem 8 :

Mr. Lenin sold a chair at a loss of 15%. If he had sold at a profit of 10%, he would have got $100 more. What is the cost is the cost price of the chair? 

Solution

Problem 9 :

If good are purchased for $ 1500 and one fifth of them sold at a loss of 15%. Then at what profit percentage should the rest be sold to obtain a profit of 15%?

Solution

Problem 10 :

By selling 20 articles, a trader gained the selling price of 5 articles. Find the profit percent.

Solution

(1)  64%

(2)  50%

(3)  30%

(4)  4 : 5

(5)  72°, 60° and 48°

(6)  25%

(7)  $1200

(8)  $400

(9)  22.5%

(10)  33.33%

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