Free Printable Grade 10

1.

Joseph invests R18 000 and it grows to R25 000 over a period of 2 years. Calculate the interest rate to 1 decimal place if the investment earned compound interest?

a)

15%

b)

17,9%

c)

16,2%

d)

19,5%

2.

Vanessa buys a laptop that costs R16 000. She pays a 10% deposit and then takes out a 24 month hire-purchase loan on the balance. Calculate her monthly payments.

a)

R1000

b)

R925

c)

R864

d)

R845

3.

Vanessa buys a laptop that costs R16 000. She pays a 10% deposit and then takes out a 24 month hire-purchase loan on the balance. Calculate what she will actually pay for the laptop.

a)

R22 336

b)

R24 000

c)

R18 000

d)

R25 389

4.

Mike buys a mobile phone costing R8 000 on HP, pays a deposit of R800 and then pays 36 monthly payments of R344. Calculate the simple interest rate.

a)

24%

b)

26%

c)

20%

d)

18%

5.

The average salary of a computer programmer in South Africa in 1995 was R4 500. Assuming an average rate of inflation of 6,1%, would a salary of R9 000 have the same buying power in 2015?

a)

A salary of R9 000 would be way above the buying power of a salary of R16 789,21

b)

A salary of R9 000 would be way below the buying power of a salary of R14 706,87

c)

A salary of R9 000 would be way below the buying power of a salary of R18 166,78

d)

A salary of R9 000 would be way above the buying power of a salary of R14 706,87

6.

What does the 5 number summary consist of?

a)

Lower and Upper Quartile

b)

Median

c)

Min and Max

d)

mean

e)

mode

7.

What are the 3 most popular ways of representing ungrouped data?

a)

Frequency tables

b)

Bar graphs

c)

Stem and leaf

d)

Range

e)

Domain

8.

What is the symbol for mean?

a)

$\overline{x}$

b)

$\overline{y}$

c)

$\overline{xy}$

d)

$\overrightarrow{xy}$

9.

The formula to calculate the position of the lower quartile is...

a)

$\frac{1}{8}\left(n+1\right)$

b)

$\frac{1}{2}\left(n+1\right)$

c)

$\frac{3}{4}\left(n+1\right)$

d)

$\frac{1}{4}\left(n+1\right)$

10.

What is the mode in the following set of data:

1 2 2 2 3 3 4 4 5 1 2 5 6 7 8 8 8 9 1

a)

4

b)

1

c)

8

d)

2

11.

What is the mean in the following set of data:

1 2 2 2 3 3 4 4 5 10 2 5 6 7 8 8 8 9 10 24

a)

12,3

b)

6,15

c)

56

d)

123

12.

What is the outlier in the following set of data:

1 2 2 2 3 3 4 4 5 10 2 5 6 7 8 8 8 9 10 24

a)

1

b)

10

c)

24

d)

4

13.

What is the median in the following set of data:

1 2 2 2 3 3 4 4 5 10 2 5 6 7 8 8 8 9 10 24

a)

2

b)

10

c)

5

d)

8

14.

What is an ogive graph?

a)

a bar graph

b)

a frequency polygon

c)

a cumulative frequency graph

d)

a histogram

15.

What is the formula used to calculate the pth percentile?

a)

$i=\frac{q}{25}\left(n\right)$

b)

$p=\frac{i}{10}\left(n+1\right)$

c)

$i=\frac{p}{100}\left(n\right)$

d)

$p=\frac{i}{100}\left(n+1\right)$

Grade 10

Total questions: 15

Worksheet time: 25mins

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