1:

If 5, 8, 6 and 2 occur with frequencies 3, 2, 4 and 1 respectively, find the product of the modal and the median number.

A:

36

B:

48

C:

30

D:

40

E:

No option

2:

In a basket, there are 6 grapes, 11 bananas and 13 oranges. If one fruit is chosen at random, what is the probability that the fruit is either a grape or a banana?

A:

B:

C:

D:

E:

No option

3:

The histogam below represents the weights of students who travelled out of their school for an examination. How many people made the trip?

A:

78

B:

38

C:

29

D:

69

E:

No option

4:

A senatorial candidate has planned to visit seven cities prior to a primary election. However, he could only visit four of the cities. How many different itineraries could be considered?

A:

640

B:

840

C:

520

D:

720

E:

No option

5:

The pie chart below illustrates the amount of private time a student spends in a week studying various subjects. Find the value of k

A:

90^{o}

B:

60^{o}

C:

30^{o}

D:

15^{o}

E:

No option

6:

The table below shows the number of pupils in each age group in a class. What is the probability that a pupil chosen at random is at least 11 years old?

A:

B:

C:

D:

E:

No option

7:

What is the mean deviation of 3, 5, 8, 11, 12 and 21 ?

A:

4.7

B:

60

C:

3.7

D:

10

E:

No option

8:

The table below gives the frequency distribution of marks obtained by a group of students in a test. If the total mark scored is 200, caclulate the value of y

A:

15

B:

13

C:

11

D:

9

E:

No option

9:

In how many ways can 6 subjects be selected from 10 subjects for an examination

A:

218

B:

216

C:

215

D:

210

E:

No option

10:

The cummulative frequency for from the distribution above is

A:

40

B:

72

C:

22

D:

46

E:

No option

11:

Integrate with respect to x

A:

B:

C:

D:

E:

No option

12:

If y = x cos x, find dy/dx

A:

sin x - x cos x

B:

sin x + x cos x

C:

cos x + x sin x

D:

cos x - x sin x

E:

No option

13:

Find the value of x for which the function *f(x) = *2x^{3} - x^{2} - 4x + 4 has a maximum value

A:

B:

C:

D:

E:

No option

14:

Determine the value of

A:

-2

B:

C:

D:

E:

No option

15:

If y = (1 + x)^{2}, find dy/dx

A:

2x - 1

B:

x - 1

C:

2 + 2x

D:

1 + 2x

E:

No option

16:

A binary operation on real numbers is defined by for any two real numbers x and y. The value of is?

A:

B:

C:

D:

E:

No option

17:

The graph below is represented by?

A:

y = x^{3} - 3x - 2

B:

y = x^{3} + 2x^{2} - x - 2

C:

y = x^{3} - 4x^{2} + 5x - 2

D:

y = x^{3} - 4x + 2

E:

No option

18:

Make L the subject of the formula if

A:

B:

C:

D:

E:

No option

19:

The solution of the quadratic inequality is

A:

or

B:

or

C:

or

D:

or

E:

No option

20:

Factorize 2t^{2} + t - 15

A:

(2t - 3)(t + 5)

B:

(t + 3)(2t - 5)

C:

(t + 3)(t - 5)

D:

(2t + 3)(t - 5)

E:

No option

21:

Solve the inequality -3(x - 2) < -2(x + 3)

A:

x > 12

B:

x < 12

C:

x > -12

D:

x < -12

E:

No option

22:

and W = 6 when L = 4. If , find W.

A:

B:

C:

D:

E:

No option

23:

A binary operation is defined by for any real numbers a and b. Find the inverse of the real number 7 under the operation , if the identity element is -1

A:

-7

B:

-9

C:

5

D:

9

E:

No option

24:

The nth term of the sequence is

A:

5.2^{n - 2} - n

B:

C:

3.2^{n - 2}

D:

E:

No option

25:

If *f(x)* = 3x - 2, and I is identity matrix, evaluate *f*(**P**)

A:

h

B:

C:

dd

D:

d

E:

dsf

26:

Find the sum to infinity of the series

A:

1

B:

2

C:

8

D:

4

E:

No option

27:

Evaluate

A:

sdf

B:

df

C:

sdfs

D:

dfs

E:

dfs

28:

Find y, if

A:

5

B:

1

C:

7

D:

3

E:

No option

29:

If x_{10} = 1214_{5} find x.

A:

124

B:

121

C:

184

D:

180

E:

No option

30:

Evaluate correct to 3 significant figures

A:

3.11

B:

3.13

C:

0.313

D:

3.12

E:

No option

31:

Find the value of x for which 2(3^{2x-1}) = 162

A:

B:

C:

D:

E:

No option

32:

Simplify

A:

B:

C:

D:

E:

No option

33:

If log_{10}2 = x, express log_{10}12.5 in terms of x.

A:

2(1 + x)

B:

2 + 3x

C:

2(1 - x)

D:

2 - 3x

E:

No option

34:

A man made a profit of 5% when he sold an article for #60,000.00. How much would he have to sell the article to make a profit of 26%?

A:

#68 000

B:

#72 000

C:

#65 000

D:

#70 000

E:

No option

35:

Given:

P = {1, 3, 5, 7, 9, 11} and Q = {2, 4, 6, 8, 10, 12}.

Determine the relationship between **P** and **Q**

A:

B:

coming

C:

coming

D:

coming

E:

No option

36:

Evaluate 1011^{2}_{2} - 101^{2}_{2}

A:

110000_{2}

B:

110_{2}

C:

1100000_{2}

D:

11000_{2}

E:

No option

37:

The sum of the ages of Musa and Lawal is 28 years. After sharing a certain sum of money in the ratio of their ages, Musa gets #600 and Lawal #800. How old is Lawal?

A:

20 years

B:

16 years

C:

14 years

D:

12 years

E:

No option

38:

If **X** = {all perfect squares less than 40} and

**Y** = {all odd numbers from 1 to 15}

Find

A:

{3, 9}

B:

{9}

C:

{9, 25}

D:

{1, 9}

E:

No option

39:

Calculate the length of an arc of a circle of diameter 14cm, which subtends an angle of 90^{0} at the centre of the circle

A:

B:

C:

D:

E:

No option

40:

If the lines 3y = 4x - 1 and qy = x + 3 are parallel to each other, the value of q is

A:

B:

C:

D:

E:

No option

41:

In the parallelogram **PQRS **above, find angle **SQR**

A:

100^{0}

B:

80^{0}

C:

50^{0}

D:

30^{0}

E:

No option

42:

The volume of a hemispherical bowl is . Find its radius

()

A:

4.0cm

B:

5.6cm

C:

7.0cm

D:

3.8cm

E:

No option

43:

A particle **P** moves between points **S** and **T** such that angle **SPT** is always constant. Find the locus of **P**.

A:

It is a semi-circle with **ST **as diameter

B:

It is a perpendicular bisector of **ST**

C:

It is a quadrant of a circle with **ST** as diameter

D:

It is a straight line perpendicular to **ST**

E:

No option

44:

If the lines 2y - kx + 2 = 0 and . Intersect at (1, -2), find the value of k

A:

-4

B:

-3

C:

-2

D:

-1

E:

No option

45:

A man 40m from the foot of a tower observes the angle of elevation of the tower to be 30^{0}. Determine the height of the tower.

A:

B:

C:

D:

E:

No option

46:

Find the locus of points equidistant from two straight lines y - 5 = 0 and y - 3 = 0

A:

y - 2 = 0

B:

y - 4 = 0

C:

y - 1 = 0

D:

y - 3 = 0

E:

No option

47:

What is the value of k if the mid-point of the line joining (1-k, -4) and (2, k+1) is (-k, k)?

A:

-3

B:

-1

C:

-4

D:

-2

E:

No option

48:

Find the size of each exterior angle of a regular octagon.

A:

51^{0}

B:

45^{0}

C:

40^{0}

D:

36^{0}

E:

No option

49:

Find the value of

A:

B:

C:

1

D:

E:

No option

50:

The area of a square is 144 sq cm. Find the length of the diagonal

A:

13cm

B:

C:

12cm

D:

E:

No option

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