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Lesson Example Discussion Quiz: Class Homework

Quiz At Home

Title: Percentage

Grade: 1300-a Lesson: S4-L1

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: at Home

Problem Id	Problem	Options
1	The sum of two numbers is 60. One number is 40% more than the other number. What is the smaller number?	A) 30 B) 25 C) 35 D) 20
2	x is 10% of y, y is 20% of z. If x = 500, find the values of y and z	A) y = 5000 z = 5000 B) y = 5000 z = 2000 C) y = 5000 z = 25000 D) y = 25000 z = 5000
3	A student multiplied a number by 120 instead of 200. What is the percentage error in the calculation?	A) 50% B) 70% C) 20% D) 40%
4	Let x and y be two numbers such that x = 36y. Then y is less than x by	A) 97.22% B) 94.44% C) 96.40% D) 95.54%
5	If decreasing 35 by x percent is the same as increasing 15 by x percent, what is the value of x?	A) 40 B) 60 C) 50 D) 70
6	The numerator of a fraction is diminished by 30% and its denominator is increased by 180%. If the new fraction equals \$2/5\$, what was the original fraction?	A) \$8/5\$ B) \$8/9\$ C) \$5/8\$ D) \$7/5\$
7	Janu worked 25 hours at her job last week. This week, she worked 80 hours. In terms of a percentage, how much more did she work this week than last week?	A) 220% B) 210% C) 120% D) 20%
8	A pond had 80 million liters of water in it. Some water evaporated, and then the pond only had 64 million liters of water in it. What percent of the water evaporated?	A) 25% B) 20% C) 30% D) 45%
9	The company initially had 600 employees. After hiring 30% more employees and then laying off 20% of the total workforce, the number of remaining employees can be calculated.	A) 634 B) 642 C) 624 D) 643
10	If Mickle gave 60% of his pocket money to his brother and was left with Rs. 12, how much pocket money (in Rs.) did he have originally?	A) Rs. 39.47 B) Rs. 30.85 C) Rs. 15.5 D) Rs. 30

Problem Id

Problem

Options

The sum of two numbers is 60. One number is 40% more than the other number. What is the smaller number?

A) 30

B) 25

C) 35

D) 20

x is 10% of y, y is 20% of z. If x = 500, find the values of y and z

A) y = 5000
z = 5000

B) y = 5000
z = 2000

C) y = 5000
z = 25000

D) y = 25000
z = 5000

A student multiplied a number by 120 instead of 200. What is the percentage error in the calculation?

A) 50%

B) 70%

C) 20%

D) 40%

Let x and y be two numbers such that x = 36y. Then y is less than x by

A) 97.22%

B) 94.44%

C) 96.40%

D) 95.54%

If decreasing 35 by x percent is the same as increasing 15 by x percent, what is the value of x?

A) 40

B) 60

C) 50

D) 70

The numerator of a fraction is diminished by 30% and its denominator is increased by 180%. If the new fraction equals \$2/5\$, what was the original fraction?

A) \$8/5\$

B) \$8/9\$

C) \$5/8\$

D) \$7/5\$

Janu worked 25 hours at her job last week. This week, she worked 80 hours. In terms of a percentage, how much more did she work this week than last week?

A) 220%

B) 210%

C) 120%

D) 20%

A pond had 80 million liters of water in it. Some water evaporated, and then the pond only had 64 million liters of water in it. What percent of the water evaporated?

A) 25%

B) 20%

C) 30%

D) 45%

The company initially had 600 employees. After hiring 30% more employees and then laying off 20% of the total workforce, the number of remaining employees can be calculated.

A) 634

B) 642

C) 624

D) 643

If Mickle gave 60% of his pocket money to his brother and was left with Rs. 12, how much pocket money (in Rs.) did he have originally?

A) Rs. 39.47

B) Rs. 30.85

C) Rs. 15.5

D) Rs. 30