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Percent Change
Test Description: Does the percentage Increase or Decrease
Instructions: Answer all questions to get your test result.
1) The student said, 'our class has 20% more girl this year,' he means that?
A
both 1 and 2
B
The number of girls decrease by 20%
C
The number of girls increased by 20%
D
The number of girls stayed the same
2) What is the first step to find the percent change of 30 to 40 girls in the class?
A
We multiply by 100
B
We divide the original number by the new number 30/40
C
We subtract the new number from the old number (40-30)
D
None of the above
3) What is a percent?
A
One part in every hundred
B
The difference between 2 numbers
C
The product of 2 numbers
D
The quotient of any 2 numbers
4) What does it mean by, new car sales are down by 19%?
A
Many people are buying new cars
B
the price of new cars is gone down
C
none of the above
D
Less people are buying new cars
5) What is the percent change from 75 to 45
A
40% decrease
B
30% decrease
C
40% increase
D
37% increase
6) What is the percent change from 30 to 15
A
50% increase
B
50% decrease
C
40% increase
D
40% decrease
7) What is the percent change 58 to 53
A
5% increase
B
5% decrease
C
8.6% decrease
D
8.6% increase
8) What is the percent change from 63 to 98
A
35% increase
B
35% decrease
C
55.6% decrease
D
55.6% increase
9) What is the percent change from 71 to 22
A
49% decrease
B
69% decrease
C
69% increase
D
49% increase
10) What is the percent change from 84 to 4
A
80 decrease
B
80% increase
C
95% increase
D
95% decrease
11) What is the percent change is the percent change from 1 to 1
A
100%
B
zero
C
1% increase
D
1%
12) What is 25% of $2
A
50 cents
B
$1
C
$2.50
D
75%
13) If you increase £30 by 10% you get:
A
$14
B
$33
C
$41
D
$40
14) Choose the set of percentages that is in the correct order of size
A
12%, 21%, 23%, 32%, 31%, 33%
B
none of the above
C
12%, 21%, 22%, 31%, 32%, 33%
D
12%, 23%, 22%, 31%, 32%, 33%
15) Colin was given a 25% pay raise. His weekly wage is £200 so how much extra will he get?
A
$225
B
$45
C
$50
D
$75
16) How many percent of the human brain is water
A
85%
B
45%
C
73%
D
10%
17) How many percent of the earth's surface is made of water
A
30%
B
80-%
C
71%
D
99%
*select an answer for all questions
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