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Word Problems: Percentages | Mathematics for Class 5 PDF Download

Q1: 10% of the books in a public library are Science books. If there are 90,000 books in the library, find the number of Science books available?
Ans:

Total number of books = 90000
10% of books are science
therefore, 10/100*90,000
= 9000
The Total Number of Science Books available in the library are 9000.

Q2: David took a math test and got 25 correct and 15 incorrect answers. What was the percentage of correct answers?
Ans:

Total Answers = 25+15
= 40
Percentage of Correct Answers = 25/40*100
= 2500/40
= 62.5%
Therefore, David got 62.5% of correct answers.

Q3: A metal bar weighs 7 Kg. 93% of the bar is Silver. How many Kgs of silver is there in the bar?
Ans:

From the given data
93% of the bar is silver
= 93% of 7kg
= 93/100*7
= 651/100
= 6.51 Kg
Therefore,  6.51 Kg of Silver is there in the bar.

Q4: A man had $4,50,000 worth of property. He left 50% of his property to his son. How much did his son get?
Ans:

Total Property worth = $4, 50, 000
Property his son got = 50% of 4, 50, 000
= 50/100*4, 50, 000
= 2,25,000
Therefore, the son got $2, 25, 000.

Q5: An alloy contains 24 % of copper. What quantity of alloy is required to get 280 g of copper?
Ans:

Let the quantity of copper needed = m
24% of m = 280g
24/100*m = 280
m = (280*100)/24
= 1166.66 gms
The Quantity of Alloy Required to get 280g of Copper is 1166.66 gms.

Q6: A baseball pitcher won 70% of the games he pitched. If he pitched 40 ballgames, how many games did he win?
Ans:

70/100 =x /40
Cross Multiplying we have = (70*40)/100
= 28
Therefore, he won 28 games.

Q7: There are 45 Carpenters in a Crew. On a certain day, 27 were present. What Percent showed up for work?
Ans:

Percentage of Carpenters Showed up for work = (27/45)*100
= 2700/45
= 60%
Therefore, 60% of Carpenters Showed up for Work.

Q8: A packet contained 540 chocolates. 55% of the Chocolates were distributed to the children. Calculate how many chocolates are distributed?
Ans:

No. of Chocolates distributed = 55% of 540
= 55/100*540
= 29700/100
= 297
297 Chocolates are distributed.

Q9: In an Exam Asha secured 300 marks. If she secured 75 % marks, find the maximum marks?
Ans:

Asha secured 300 marks
Let the Maximum Marks be m
75% of m = 300
(75/100)*m = 300
m = (300*100)/75
= 400
The maximum marks in the Exam are 400.

Q10: Geetha scores 60 marks out of 80 in her Maths exam. Convert her Marks into Percent?
Ans:

Percent of Marks Geetha got = (60/80)*100
= 6000/80
= 75%

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