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Lesson Example Discussion Quiz: Class Homework

Quiz In Class

Title: Proportion

Grade: 1300-a Lesson: S4-L6

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	Find the fourth proportional of 8, 10, 20.	A) 24 B) 25 C) 27 D) 26
2	What least common number must be subtracted from each of the numbers 15, 18, 24 and 46 so that the remainders may be proportional?	A) 12.45 B) 13.57 C) 14 D) 13
3	What is the mean proportional between 45.5 and 12.3?	A) 24.12 B) 23 C) 32.56 D) 23.65
4	Find the missing number in the following proportion ? : 126 :: 16 : 42	A) 62 B) 36 C) 54 D) 48
5	How many days will it take for 12 persons to rewire Jasminder’s house if they are expected to work at the same rate as 10 persons who would normally complete the job in 6 days?	A) 6 B) 4 C) 5 D) 8
6	Given that 64 women can reap a field in 30 days, how many days will it take for 32 women to reap the same field?	A) 40 B) 32 C) 60 D) 52
7	If x:y=5:8, find (12x+14y):(14x-8y)	A) \$86/3\$ B) \$8/36\$ C) \$3/86\$ D) \$76/3\$
8	If (12x + 8y):(12x-8y) = 14:16 then what is the value of x²:y²?	A) \$100:1\$ B) \$101:1\$ C) \$1:100\$ D) \$10:101\$
9	What is the speed of Jan if Jackson’s speed is 156 km/hr and their speeds are in the ratio of 22:26?	A) 145 km/h B) 132 km/h C) 123 km/h D) 144 km/h
10	If Rs. 1596 is to be divided into three parts in the ratio of \$2/3 : 3/4 : 4/5\$, what is the value of the first part?	A) 420 B) 480 C) 460 D) 840

Problem Id

Problem

Options

Find the fourth proportional of 8, 10, 20.

A) 24

B) 25

C) 27

D) 26

What least common number must be subtracted from each of the numbers 15, 18, 24 and 46 so that the remainders may be proportional?

A) 12.45

B) 13.57

C) 14

D) 13

What is the mean proportional between 45.5 and 12.3?

A) 24.12

B) 23

C) 32.56

D) 23.65

Find the missing number in the following proportion
? : 126 :: 16 : 42

A) 62

B) 36

C) 54

D) 48

How many days will it take for 12 persons to rewire Jasminder’s house if they are expected to work at the same rate as 10 persons who would normally complete the job in 6 days?

A) 6

B) 4

C) 5

D) 8

Given that 64 women can reap a field in 30 days, how many days will it take for 32 women to reap the same field?

A) 40

B) 32

C) 60

D) 52

If x:y=5:8, find (12x+14y):(14x-8y)

A) \$86/3\$

B) \$8/36\$

C) \$3/86\$

D) \$76/3\$

If (12x + 8y):(12x-8y) = 14:16 then what is the value of x²:y²?

A) \$100:1\$

B) \$101:1\$

C) \$1:100\$

D) \$10:101\$

What is the speed of Jan if Jackson’s speed is 156 km/hr and their speeds are in the ratio of 22:26?

A) 145 km/h

B) 132 km/h

C) 123 km/h

D) 144 km/h

If Rs. 1596 is to be divided into three parts in the ratio of \$2/3 : 3/4 : 4/5\$, what is the value of the first part?

A) 420

B) 480

C) 460

D) 840