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Lesson Example Discussion Quiz: Class Homework

Quiz In Class

Title: Ratios

Grade: 1300-a Lesson: S4-L5

Explanation: Hello Students, time to practice and review. Let us take next 10-15 minutes to solve the ten problems using the Quiz Sheet. Then submit the quiz to get the score. This is a good exercise to check your understanding of the concepts.

Quiz: in Class

Problem Id	Problem	Options
1	What number must be subtracted from both terms of the ratio 23 : 33 to convert it to the ratio 1 : 6?	A) 24 B) 21 C) 25 D) 27
2	What is the compound ratio of 6 : 8, the duplicate ratio of 5 : 10, the triplicate ratio of 8 : 2, and the ratio 3 : 7?	A) 6 : 17 B) 7 : 15 C) 9 : 14 D) 13 : 11
3	In a class of 175 students, there are 65 girls. What is the ratio of girls to the total number of students in the class?	A) 15 : 37 B) 27 : 17 C) 14 : 5 D) 13 : 35
4	If two numbers are initially in the ratio 12 : 11, and after subtracting 5 from each, they are in the ratio 5 : 16, what is the value of the smaller number?	A) 5 B) 11 C) 13 D) 7
5	Three numbers have a sum of 205. The ratio of the first number to the second number is 4 : 7, and the ratio of the second number to the third number is 8 : 5. Find the third number.	A) 58.3 B) 38.5 C) 45.26 D) 57
6	In a class of 40 students, 8 like basketball and 14 like cricket. The remaining students like football. Find the ratios: (a) The ratio of students liking basketball to students liking football. (b) The ratio of students liking cricket to the total number of students.	A) 4 : 9 7 : 20 B) 5 : 7 12 : 15 C) 7 : 20 4 : 9 D) 5 : 8 20 : 7
7	Reduce the ratio to the lowest term 256 : 342	A) \$128:171\$ B) \$182:171\$ C) \$128:117\$ D) \$171:128\$
8	The equivalent of a ratio of 820 : 940 is	A) \$164:189\$ B) \$41:47\$ C) Both A&B D) None
9	The cost of a dozen bananas is Rs 360, and the cost of 10 apples is Rs 520. What is the ratio of the cost of a banana to the cost of an apple?	A) 14 : 52 B) 9 : 13 C) 15 : 26 D) 12 : 15
10	What is the ratio of 90 cm to 12.5 m?	A) \$12:15\$ B) \$7:12\$ C) \$125:9\$ D) \$9:125\$

Problem Id

Problem

Options

What number must be subtracted from both terms of the ratio 23 : 33 to convert it to the ratio 1 : 6?

A) 24

B) 21

C) 25

D) 27

What is the compound ratio of 6 : 8, the duplicate ratio of 5 : 10, the triplicate ratio of 8 : 2, and the ratio 3 : 7?

A) 6 : 17

B) 7 : 15

C) 9 : 14

D) 13 : 11

In a class of 175 students, there are 65 girls. What is the ratio of girls to the total number of students in the class?

A) 15 : 37

B) 27 : 17

C) 14 : 5

D) 13 : 35

If two numbers are initially in the ratio 12 : 11, and after subtracting 5 from each, they are in the ratio 5 : 16, what is the value of the smaller number?

A) 5

B) 11

C) 13

D) 7

Three numbers have a sum of 205. The ratio of the first number to the second number is 4 : 7, and the ratio of the second number to the third number is 8 : 5. Find the third number.

A) 58.3

B) 38.5

C) 45.26

D) 57

In a class of 40 students, 8 like basketball and 14 like cricket. The remaining students like football. Find the ratios:
(a) The ratio of students liking basketball to students liking football.
(b) The ratio of students liking cricket to the total number of students.

A) 4 : 9
7 : 20

B) 5 : 7
12 : 15

C) 7 : 20
4 : 9

D) 5 : 8
20 : 7

Reduce the ratio to the lowest term 256 : 342

A) \$128:171\$

B) \$182:171\$

C) \$128:117\$

D) \$171:128\$

The equivalent of a ratio of 820 : 940 is

A) \$164:189\$

B) \$41:47\$

C) Both A&B

D) None

The cost of a dozen bananas is Rs 360, and the cost of 10 apples is Rs 520. What is the ratio of the cost of a banana to the cost of an apple?

A) 14 : 52

B) 9 : 13

C) 15 : 26

D) 12 : 15

What is the ratio of 90 cm to 12.5 m?

A) \$12:15\$

B) \$7:12\$

C) \$125:9\$

D) \$9:125\$