Free Practice Quiz Question List

2 Percentages and Conversions Online Quiz Questions

Use this free practice quiz with 20 questions to review 2 Percentages and Conversions, test your knowledge, and prepare for your next test or exam.

20 questions

Choose one

1 point

Which fraction represents $37\%$ ?

A
$\frac{37}{10}$
B
$\frac{37}{100}$
C
$\frac{100}{37}$
D
$0.037$

True or false

1 point

True or false: $\frac{3}{8}=0.375$ .

A
True
B
False

Fill in the blank

1 point

Complete the rule: To find a part, multiply the whole by the .

Written response

1 point

When determining what percentage one quantity is of another, what is the name of the reference amount?

Choose one

1 point

What is $22\%$ of $150$ ?

A
33
B
22
C
3.3
D
330

Choose all

1 point

Select all correct statements about percentage change.

A
The original amount is the denominator when calculating percentage change.
B
A positive percentage-change result indicates an increase.
C
A decrease by $r\%$ can be calculated by multiplying by $1-\frac{r}{100}$ .
D
The new amount is the denominator when calculating percentage change.

True or false

1 point

True or false: When a quantity falls from $80$ to $68$ , the decrease is $15\%$ of the original amount.

A
True
B
False

Written response

1 point

What is $15\%$ of $240$ ?

Choose one

1 point

Which percentage is equivalent to $0.065$ ?

A
$0.65\%$
B
$6.5\%$
C
$65\%$
D
$650\%$

Fill in the blank

1 point

Complete the rule: In the percentage-change formula, the denominator is the .

True or false

1 point

True or false: Rounded to the nearest tenth of a percent, $\frac{1}{3}$ is $33.3\%$ .

A
True
B
False

Choose one

1 point

An amount of $120$ is decreased by $25\%$ . What is the new amount?

A
30
B
75
C
90
D
150

Open ended

1 point

An amount of $$80$ is increased by $25\%$ , then the resulting amount is decreased by $20\%$ . What is the final amount? Show the multipliers and calculation.

Choose all

1 point

Select all correct conversion rules.

A
To convert a percent to a decimal, divide by $100$ .
B
To convert a decimal to a percent, multiply by $100$ .
C
To convert a fraction to a decimal, divide the numerator by the denominator.
D
To convert a decimal to a fraction, put it over $100$ in every case.

Choose one

1 point

Which multiplier applies to an amount that is increased by $12\%$ ?

A
$1.12$
B
$0.12$
C
$0.88$
D
$1.20$

Choose one

1 point

A mixture is labeled $37\%$ of a particular ingredient. Which statement correctly interprets this percentage?

A
$37$ parts out of every $10$
B
$37$ parts out of every $100$
C
$100$ parts out of every $37$
D
$37$ parts out of every $1{,}000$

Choose one

1 point

A measurement is given as $42\%$ . What is this value as a decimal?

A
$4.2$
B
$0.042$
C
$0.42$
D
$42$

Choose one

1 point

A proportion is written as the decimal $0.065$ . What percentage represents the same quantity?

A
$6.5\%$
B
$0.65\%$
C
$65\%$
D
$0.0065\%$

Written response

1 point

The quantity $18$ is what percentage of $60$ ? Enter the percentage value as a number without the % sign.

Written response

1 point

A quantity falls from $240$ to $204$ . What is the percentage decrease relative to the original quantity? Enter the percentage value as a number without the % sign.