Worksheet on Percentage of a Number

Practice the questions given in the worksheet on percentage of a number.

We know, to find the percent of a number we obtain the given number and then multiply the number by the required percent i.e., x % of a = x/100 × a

1. Find the following:

(i) 22 % of 140   

(ii) 25 % of $ 750               

(iii) 16.5 % of 5000 kg

(iv) 2¹/₂ % of 80 l

(v) 0.4 % of 8 km              

(vi) 120 % of 1000

(vii) 12 % of 360 m       

(viii) 2²/₇ % of 7 l

(ix) 0.8 % of 250 g

(x) 3/4 % of $ 780

(xi) 12 % of 620

(xii) 1.25 % of 1250 mg

(xiii) 3¹/₄ % of $ 5000

(xiv) 3/5 % of 725 cm

(xv) 3¹/₃ % of 90 km

2. What is 5 % of $ 1400?

3. What is 7 % of $ 7150?

4. What is 40 % of 400 kg?

5. How many liters is 20 % of 15.125 liters?

6. In a public show 75 % of seats were filled.  If there were 600 seats in the hall, how many seats were vacant?

7. A man earns $3580 per month and spends 65 % of it. How much money does he save every month?

8. To clear his stock a shopkeeper offers a discount of 15 %. Find the discount on goods worth $500?

9. An alloy of copper and zinc contains 45 % of copper and the rest is zinc. Find the weight of the zinc in 2 kg of the alloy?

10. In an exam, 85 % of the children pass. Find the number of children who passed, if there were 1700 children.

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Answers for the worksheet on percentage of a number are given below to check the exact answers of the above questions.

Answers:

1. (i) 30.8

(ii) $ 187.50

(iii) 825 kg

(iv) 2 l

(v) 32 m

(vi) 1200

(vii) 43.2 m             

(viii) 4/25 l          

(ix) 2 g

(x) $  5.85

(xi) 74.4               

(xii) 15.625 mg

(xiii) $ 162.50     

(xiv) 4 .35 cm

(xv) 3 km

2. $ 70

3. $ 500.50

4. 160 kg

5. 3.025 liters

6. 150 seats

7. $ 1253

8. $ 75

9. 1.1 kg             

10. 1445

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