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Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.

Simplify 4 1⁄6 - 2 5⁄8

a)

2 19⁄24

b)

2 11⁄24

c)

1 13⁄24

d)

13⁄24

e)

11⁄24

2.

Which of the following numbers is the greatest?

a)

1.4×1051.4\times10^5  

b)

3.0×1043.0\times10^4  

c)

2.3×1032.3\times10^3  

d)

4.3×1024.3\times10^2  

e)

9.7×1019.7\times10^1  

3.

Evaluate 111011_two by 11_two

a)

111001021110010_2  

b)

110101021101010_2  

c)

10110001210110001_2  

d)

11110011211110011_2  

e)

11110111211110111_2  

4.

Simplify 8a+4b-(4a+3b)

a)

a+b

b)

2a+b

c)

3a+2b

d)

4a+b

e)

4b-3a

5.

Covert 1011011_two to denary

a)

31

b)

51

c)

71

d)

81

e)

91

6.

Simplify 2⁄3(18y+9)-(6-2y)

a)

14y+2

b)

14y

c)

14y+12

d)

10y

e)

10y-12

7.

Express 0.000743 × 10^2 in standard form

a)

7.43×107.43\times10  

b)

7.43×1017.43\times10^1  

c)

7.43×10(2)7.43\times10^{\left(-2\right)}  

d)

7.43×1037.43\times10^3  

e)

7.43×10(4)7.43\times10^{\left(-4\right)}  

8.

Solve for x in the equation 3⁄4 (x+2)=x-2

a)

8

b)

10

c)

12

d)

14

e)

16

9.

The probability that my uncle will visit us next month is 2⁄9 . What is the probability that he will not visit us?

a)

1⁄3

b)

1⁄2

c)

5⁄9

d)

2⁄3

e)

7⁄9

10.

Find the value of x, if 4(x+1)=6(x-3)

a)

2

b)

3

c)

5

d)

7

e)

11

11.

Express 2,734,000 in standard form

a)

2.734×1032.734\times10^3  

b)

2.734×1042.734\times10^4  

c)

2.734×1052.734\times10^5  

d)

2.734×1062.734\times10^6  

e)

2.734×1072.734\times10^7  

12.

Solve for y, if 2y⁄7+5=9

a)

1

b)

6

c)

10

d)

14

e)

18

13.

A car travels x km in 3 hours. How far will it travel in 9 hours?

a)

3x km

b)

9x km

c)

27x km

d)

1⁄3 km

e)

1⁄9 km

14.

Expand (2x+1)(x-2)

a)

2x23x22x^2-3x-2  

b)

2x23x+22x^2-3x+2  

c)

2x2+3x22x^2+3x-2  

d)

2x2+3x22x^2+3x-2  

e)

2x25x22x^2-5x-2  

15.

The scores of seven students in a test are as follows: 25,30,19,19,18,17,16. What is the modal score?

a)

30

b)

25

c)

19

d)

18

e)

14

16.

Solve the equation: 12/(x-3) =3

a)

-3

b)

-6

c)

7

d)

6

e)

8

17.

If the mean of x, 7, 12, 13 and 15 is 10.4. Find the value of x

a)

4

b)

5

c)

6

d)

7

e)

8

18.

Given that (x-y)-(x+y)=4 find the value of y

a)

-2

b)

-1

c)

0

d)

1

e)

2

19.

The weight of 7 students in a class are as follows 35kg, 42kg, 38kg, 28kg, 37kg, 47kg, 30kg. Find the range of their weight in kg.

a)

9

b)

12

c)

14

d)

17

e)

19

20.

Simplify 3/100 + 33/100 correct to 1 decimal place

a)

0.1

b)

0.2

c)

0.3

d)

0.4

e)

0.7

21.

Compute the product of the median and mode of the following sets of data: 6,3,9,5,3

a)

8

b)

15

c)

19

d)

21

e)

26

22.

Express 3⁄4 as a decimal

0.34

0.43

0.47

0.65

0.75

a)

0.34

b)

0.43

c)

0.47

d)

0.65

e)

0.75

23.

A factory employs 30 workers. 12 of them earn N1,500.00 each per day, 9 earn N1200.00 each per day while each of the rest earn N1000.00 per day. What is the average daily wage?

a)

N1200.00

b)

N1260.00

c)

N1440.00

d)

N1488.00

e)

N1492.00

24.

Express 0.000040089 in standard form

a)

4.0089×1064.0089\times10^6  

b)

4.0089×10(5)4.0089\times10^{\left(-5\right)}  

c)

4.0089×1044.0089\times10^4  

d)

4.0089×10(4)4.0089\times10^{\left(-4\right)}  

e)

4.0089×1054.0089\times10^5  

25.

Simplify 3⁄2 of (1⁄3 + 4⁄7 ) ×7

a)

15⁄14

b)

17⁄14

c)

9⁄7

d)

19⁄2

e)

21⁄2

26.

There are 6 white, 5 red and 4 green beads of the same size in a box. What is the probability of picking a green bead from the box?

a)

3⁄4

b)

2⁄3

c)

1⁄2

d)

4⁄15

e)

2⁄5

27.

Simplify (2⁄3 + 1⁄4)-(1⁄5 + 2⁄3)

a)

(-1)⁄5

b)

1⁄20

c)

1⁄2

d)

3⁄5

e)

5⁄4

28.

Subtract 101012 from 111102Subtract\ 10101_{2\ }from\ 11110_2  

a)

100021000_2  

b)

111121111_2  

c)

110021100_2  

d)

100121001_2  

e)

101021010_2  

29.

Simplify 4(a+1)+5(a+2)

a)

5a+10

b)

9+14a

c)

9a-14

d)

9a+14

e)

10a+14

30.

Express 22114 as denary numberExpress\ 2211_4\ as\ denary\ number  

a)

45

b)

48

c)

160

d)

165

e)

168

31.

Simplify 0.5 ×1.5 ×2 as a single fraction

a)

1⁄3

b)

1⁄2

c)

3⁄5

d)

5⁄7

e)

3⁄2

32.

Find the missing number in 100101122=11000021001011_2-*****_2=110000_2  

a)

11001211001_2  

b)

10101210101_2  

c)

11100211100_2  

d)

11011211011_2  

e)

11111211111_2  

33.

Use the information to answer questions 33 and 34

Find the median age of the candidates

a)

25

b)

24

c)

23

d)

15

e)

12

34.

Compute the range of the candidates age

a)

6

b)

15

c)

20

d)

15

e)

12

35.

Expand 1⁄3 (15x-27y)

a)

x-y

b)

3x-7y

c)

5x-9y

d)

9x-5y

e)

3x+7y

36.

The following are the ages of a group of students in a particular school

10 12 15 10 13

14 10 11 12 10

11 14 10 15 13

How many students are of a minimum of 11 years in the group?

a)

2

b)

5

c)

4

d)

10

e)

12

37.

Evaluate 1012+1012101_2+101_2  

a)

101021010_2  

b)

110021100_2  

c)

111021110_2  

d)

111121111_2  

e)

1012101_2  

38.

Solve for x if 2x+5=9

a)

14

b)

7

c)

2

d)

-2

e)

3

39.

The mode of a set of scores is the _______

a)

Difference between mean and median

b)

Least score subtracted from the highest score

c)

Score at the centre when arranged in order of size

d)

Score with the highest frequency

e)

Sum of scores divided by number of scores

40.

Simplify by removing the bracket (a-7b)-(8a-b)

a)

7a+6b

b)

7a-6b

c)

-7a+6b

d)

-7a-6b

e)

(7a)-(6b)