# Worksheet on Ratios

In worksheet on ratios the questions are related to the basic concept of ratio, ratio in the simplest form, comparison of ratios, conversion of ratios, and also find the equivalent ratios. Recall the topic and then practice the questions on ratio.

1. Express the following ratios in the simplest form.

(a) 30 : 45

(b) 250 : 100

(c) 1.5 : 5.1

(d) 2.1 : 7

(e) 8x : 12x

(f) 2¹/₆ ∶ 1¹/₃

(g) ¹/₈ ∶ ¹/₁₀

(h) ²/₃ ∶ ⁵/₇ : 1

(i) 2¹/₅ ∶ 1¹/₄ : 1¹/₅

(j) ²/₅ ∶ ³/₁₀

(k) ¹/₂ ∶ ¹/₄ ∶ ¹/₆

(l) 4p²q : 10pq²

(m) a dozen to a score

(n) 9 months : 2¹/₂ years

(o) 5 m : 600 cm

2. In a school library, the ratio of science books to that of math books is 4 : 5. If there are 384 science books, find the number of math books in the library.

3. The ratio of the number of male and female teachers in a school is 2 : 11. If the number of male teachers is 112, find the number of female teachers.

4. An alloy contains zinc and copper in the ratio 7 : 9. Find the weight of copper if it has 31.5 kg of zinc.

5. Compare the following ratios.

(a) 2 : 3 and 4 : 5

(b) 11 : 19 and 19 : 21

(c ) ¹/₂ ∶ ¹/₃ and ¹/₃ ∶ ¹/₄

(d) 1¹/₅ : 1¹/₃ and ²/₅ ∶ ³/₂

6. (a) If a : b = 6 : 5 and b : c = 10 : 9, find a : c.

(b) If x : y = ¹/₆ ∶ ¹/₈ and y : z = ¹/₈ ∶ ¹/₁₀, find x : z

(c) If p : q = 1¹/₂ : 2¹/₃ and q : r = 1¹/₃ : ²/₅ find p : q : r

(d) If a : b = 6 : 7 and b : c = 3 : 5, find a : b : c

7. Are the following ratios equivalent?

(a) 3 : 5 and 15 : 25

(b) 1 : 4 and 2 : 3

(c) 8 : 3 and 24 : 30

(d) 2.5 : 3.5 and 0.5 : 0.7

8. Two numbers are in the ratio 7 : 5. If their difference is 96, find the numbers.

9. Two numbers are in the ratio 3 : 2 and their sum is 60. Find the numbers.

10. The three angles of a scalene triangle are in the ratio 2 : 3 : 5. Find the measures of the angles.

11. Divide $90 in the ratio 7 : 8. 12. Divide 36 chocolates in the ratio 2 : 3 : 4. 13. A line segment of length 20 cm is divided into three parts in the ratio 1 : 2 : 3. Find the length of each part. 14. A certain amount is divided into two parts in the ratio 4 : 5. If the first part is 120, find the total. 15. Divide$700 into three parts such that the first part is 2/3 of the second and the ratio between the second and third is 4 : 5.

16. Divide 108 bottles of juice between A and B in the ratio ¹/₅ : ¹/₇.

17. The sides of the quadrilateral are in the ratio 1 : 2 : 3 : 4 and the perimeter is 40 cm. Find the length of each side.

Answers for the worksheet on ratios are given below to check the exact answers of the questions.

1. (a) 2 : 3

(b) 5 : 2

(c) 5 : 17

(d) 3 : 10

(e) 2 : 3

(f) 13 : 8

(g) 5 : 4

(h) 14 : 15 : 21

(i) 44 : 25 : 24

(j) 4 : 3

(k) 6 : 3 : 2

(l) 2p : 5q

(m) 3 : 5

(n) 3 : 10

(o) 5 : 6

2. 480

3. 616

4. 40.5 kg

5. (a) 2/3 < 4/5

(b) 11 : 19 < 19 : 21

(c) 1/2 ∶ 1/3 > 1/3 ∶ 1/4

(d) 1¹/₅ ∶ 1¹/₃ > ²/₅ ∶ ³/₂

6. (a) 4 : 3

(b) 5 : 3

(c) 45 : 70 : 21

(d) 18 : 21 : 35

7. (a) equivalent

(b) not equivalent

(c) not equivalent

(d) equivalent

8. 336, 240

9. 36, 24

10. 36°, 54°, 90°

11. $42,$48

12. 8, 12, 16 chocolates

13. 3¹/₃ cm, 6²/₃ cm, 10 cm

14. 270

15. $160,$240, \$300

16. 63 bottles, 45 bottles

17. 4 cm, 8 cm, 12 cm, 16 cm

Ratios and Proportions - Worksheets

Worksheet on Proportions

Didn't find what you were looking for? Or want to know more information about Math Only Math. Use this Google Search to find what you need.

Have your say about what you just read! Leave me a comment in the box below. Ask a Question or Answer a Question.

## Recent Articles

1. ### Shifting of Digits in a Number |Exchanging the Digits to Another Place

May 19, 24 06:35 PM

What is the Effect of shifting of digits in a number? Let us observe two numbers 1528 and 5182. We see that the digits are the same, but places are different in these two numbers. Thus, if the digits…

2. ### Formation of Greatest and Smallest Numbers | Arranging the Numbers

May 19, 24 03:36 PM

the greatest number is formed by arranging the given digits in descending order and the smallest number by arranging them in ascending order. The position of the digit at the extreme left of a number…

3. ### Formation of Numbers with the Given Digits |Making Numbers with Digits

May 19, 24 03:19 PM

In formation of numbers with the given digits we may say that a number is an arranged group of digits. Numbers may be formed with or without the repetition of digits.

4. ### Arranging Numbers | Ascending Order | Descending Order |Compare Digits

May 19, 24 02:23 PM

We know, while arranging numbers from the smallest number to the largest number, then the numbers are arranged in ascending order. Vice-versa while arranging numbers from the largest number to the sma…