# 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 $500? 9. An alloy of copper and zinc contains 45 % of copper and the rest is zinc. Find the weight of the zinc in 2 kg of the alloy? 10. In an exam, 85 % of the children pass. Find the number of children who passed, if there were 1700 children. Answers for the worksheet on percentage of a number are given below to check the exact answers of the above questions. Answers: 1. (i) 30.8 (ii)$ 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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