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Unified Tertiary Matriculation Examination Mathematics 2008


1:

Add 11012, 101112 and 1112

A:

1110112

B:

1101102

C:

1010112

D:

1010102

E:

No option

View Solution

2:

If 125x = 2010, find x

A:

2

B:

3

C:

4

D:

5

E:

No option

View Solution

3:

Evaluate  frac{frac{3}{8}divfrac{1}{2} - frac{1}{3}}{frac{1}{8} times frac{2}{3} + frac{1}{3}}

A:

frac{1}{4}

B:

frac{1}{3}

C:

frac{1}{2}

D:

1

E:

No option

View Solution

4:

Express 123456 to 3 significant figures

A:

123 000

B:

124 000

C:

125 000

D:

126 000

E:

No option

View Solution

5:

Calculate the simple interest on #7500 for 8 years at 5% per annum

A:

#3000

B:

#600

C:

#300

D:

#150

E:

No option

View Solution

6:

The cost of kerosene per liter increases from #60 to #85. What is the percentage rate of increase?

A:

42%

B:

41%

C:

40%

D:

25%

E:

No option

View Solution

7:

Simplify 16^{-frac{1}{2}} times 4^{-frac{1}{2}} times 27^{frac{1}{3}}

A:

frac{3}{8}

B:

frac{2}{3}

C:

frac{3}{4}

D:

frac{3}{2}

E:

No option

View Solution

8:

If  log_{x^{1/2}}64 = 3 , find the value of x

A:

4

B:

16

C:

32

D:

64

E:

No option

View Solution

9:

If  frac{1 + sqrt{2}}{1 - sqrt{2}} is expressed in the form x + ysqrt{2}, find the values of x and y

A:

(-3, -2)

B:

(-2, 3)

C:

(3,2)

D:

(2,-3)

E:

No option

View Solution

10:

If X = {n2 + 1: n = 0,2,3} and

  Y = {n+1: n = 2,3,5}, find X cap Y

A:

{1, 3}

B:

{5, 10}

C:

null

D:

{4, 6}

E:

No option

View Solution

11:

A bookseller sells mathematics and English books. If 30 customers buy mathematics books, 20 customers buy English books and 10 customers buy the two books, how many customers has he altogether?

A:

30

B:

40

C:

50

D:

60

E:

No option

View Solution

12:

Make Q the subject of the formula when  L = frac{4}{3}M sqrt{PQ}

 

A:

frac{9L^{2}}{16M^{2}P}

B:

frac{3L}{4M sqrt{P}}

C:

frac{sqrt{3L}}{4MP}

D:

frac{3L^{2}}{16M^{2}P}

E:

No option

View Solution

13:

If 2x2 - kx - 12 is divisible by x - 4, find the value of k.

A:

4

B:

5

C:

6

D:

7

E:

No option

View Solution

14:

Factorize completely (4x + 3y)2 - (3x - 2y)2

A:

(x + 5y)(7x + y)

B:

(x + 5y)(7x - y)

C:

(x - 5y)(7x + y)

D:

(x - 5y)(7x - y)

E:

No option

View Solution

15:

If x - 3 is directly proportional to the square of y and x = 5 when y = 2, find x when y = 6

A:

30

B:

21

C:

16

D:

12

E:

No option

View Solution

16:

If p varies inversely as the square of q and p = 8 when q = 4, find q when p = 32

A:

pm16

B:

pm8

C:

pm4

D:

pm2

E:

No option

View Solution

17:

Find the range of values of x which satisfy the inequalities 4x - 7 leq 3x and 3x - 4 leq 4x

A:

-4leq xleq 7

B:

-7leq xleq 4

C:

xgeq -7

D:

-7leq xleq 6

E:

No option

View Solution

18:

Solve the quadratic inequality  x^{2} - 5x + 6geq 0

A:

xleq 2, xgeq 3

B:

xleq 3,xgeq 2

C:

xleq -2, xgeq -3

D:

xleq -3, xgeq 2

E:

No option

View Solution

19:

The shaded area that gives the solution set for the inequalities  x + y leq 3, x - yleq 3, is

A:

A

88575-op a main.jpg
B:

B

11779-op b main.jpg
C:

C

81951-op c main.jpg
D:

D

75231-op d main.jpg
E:

No option

View Solution

20:

The fifth term of an A.P is 24 and the eleventh term is 96. Find the first term

A:

12

B:

4

C:

-12

D:

-24

E:

No option

View Solution

21:

A binary operation * is defined on the set of positive integers is such that x*y = 2x - 3y + 2 for all positive integers x and y. The binary operation is

A:

commutative and closed on the set of positive integers

B:

neither commutative nor closed on the set of positive integers

C:

commutative but not closed on the set of positive integers

D:

not commutative but closed on the set of positive integers

E:

No option

View Solution

22:

A binary operation on the set of real numbers excluding -1 is such that for all m, n euro R, m Delta n = m + n + mn. Find the identity element of the operation

A:

1

B:

0

C:

-frac{1}{2}

D:

-1

E:

No option

View Solution

23:

Find the values of x and y respectively if

begin{pmatrix} 1 & 0\ -1 & -1\ 2 & 2 end{pmatrix} + begin{pmatrix} x & 1\ -1 &0 \ y & -2 end{pmatrix} = begin{pmatrix} -2 & 1\ -2 & -1\ -3 & 0 end{pmatrix}

 

A:

-3, -2

B:

-5, -3

C:

-2, -5

D:

-3, -5

E:

No option

View Solution

24:

If  begin{pmatrix} -2 & 1\ 2 & 3 end{pmatrix}begin{pmatrix} p & q\ r & s end{pmatrix} = begin{pmatrix} 1 & 0\ 0 & 1 end{pmatrix} , what is the value of r?

A:

-frac{3}{8}

B:

frac{3}{8}

C:

frac{5}{8}

D:

frac{1}{4}

E:

No option

View Solution

25:

In the diagram below, PQ//RS. The size of the angle marked x is

69035-mainno25.jpg
A:

100o

B:

80o

C:

50o

D:

30o

E:

No option

View Solution

26:

Find the exterior angle of a 12 sided regular polygon.

A:

12o

B:

24o

C:

25o

D:

30o

E:

No option

View Solution

27:

In the diagram below, <OPQ is

30843-mainno27.jpg
A:

90o

B:

53o

C:

36o

D:

26o

E:

No option

View Solution

28:

Find the area of the figure below

(pi = frac{22}{7})

23527-mainnoo28.jpg
A:

12.5cm2

B:

75.0cm2

C:

78.5cm2

D:

84.8cm2

E:

No option

View Solution

29:

Find the angle subtended at the centre of a circle by a chord which is equal in length to the radius of the circle.

A:

30o

B:

45o

C:

60o

D:

90o

E:

No option

View Solution

30:

Find the capacity in liters of a cylindrical well of radius 1 metre and depth 14 metres ( pi = frac{22}{7})

A:

44 000 liters

B:

4 400 liters

C:

440 liters

D:

44 liters

E:

No option

View Solution

31:

The locus of a point equidistant from two points P(6,2) and R(4,2) is a perpendicular bisector of PR passing through

A:

(2,5)

B:

(5,2)

C:

(1,0)

D:

(0,1)

E:

No option

View Solution

32:

Find the gradient of a line which is perpendicular to the line with the equation 3x + 2y + 1 = 0

A:

frac{3}{2}

B:

frac{2}{3}

C:

-frac{2}{3}

D:

-frac{3}{2}

E:

No option

View Solution

33:

Calculate the distance between points L (-1, -6) and M (-3, -5)

A:

sqrt{5}

B:

2 sqrt{3}

C:

sqrt{20}

D:

sqrt{53}

E:

No option

View Solution

34:

If  sin Theta = frac{3}{5}, find tan Theta

A:

frac{3}{4}

B:

frac{3}{5}

C:

frac{2}{5}

D:

frac{1}{4}

E:

No option

View Solution

35:

A student sitting on a tower 68 meters high observes his principal's car at an angle of depression of 20o. How far is the car from the bottom of the tower to the nearest metre?

A:

184m

B:

185m

C:

186m

D:

187m

E:

No option

View Solution

36:

Find the derivative of  y = frac{x^{7} - x^{5}}{x^{4}}

A:

x(x2 - 1)

B:

3x(x2 - 1)

C:

3x2 - 1

D:

7x6 - 5x4

E:

No option

View Solution

37:

Differentiate sin x - xcos x

A:

x cosx

B:

x sinx

C:

-x cosx

D:

-x sinx

E:

No option

View Solution

38:

Find the minimum value of the function y = x (1+x)

A:

-frac{1}{4}

B:

-frac{1}{2}

C:

frac{1}{4}

D:

frac{1}{2}

E:

No option

View Solution

39:

Evaluate  int_{1}^{2}(6x^{2} - 2x)dx

A:

16

B:

13

C:

12

D:

11

E:

No option

View Solution

40:

Evaluate  int_{-frac{pi}{2}}^{frac{pi}{2}} cos x dx

A:

0

B:

1

C:

2

D:

3

E:

No option

View Solution

41:

On a pie chart, there are six sectors of which four angles are 30o, 45o, 60o, 90o and the remaining two angles are in the ratio 2:1. Find the smaller angles of the remaining two angles

A:

15o

B:

30o

C:

45o

D:

60o

E:

No option

View Solution

42:

The bar chart above shows the number of times the words a, and , in, it, the, to appear in a paragraph in a book. What is the ratio of the least frequent word to that of the most frequent word?

Diagram coming soon

A:

frac{1}{4}

B:

frac{1}{3}

C:

frac{2}{3}

D:

frac{3}{4}

E:

No option

View Solution

43:

What is the mean of the data t, 2t-1, t-2, 2t-1, 4t and 2t+2?

A:

2t

B:

2t-1

C:

2/3t+1

D:

2t - 1/3

E:

No option

View Solution

44:

Find the median of 4, 1, 4, 1, 0, 4, 4, 2 and 0

A:

0

B:

1

C:

2

D:

4

E:

No option

View Solution

45:

If x > 0, find the range of the numbers x-3, 3x+2, x-1, 4x, 2x-1, x-2, 2x-2, 3x and 3x+1

A:

3x+3

B:

3x+1

C:

2x+5

D:

2x+1

E:

No option

View Solution

46:

Find the mean deviation of 2, 4, 5, and 9

A:

1

B:

2

C:

5

D:

7

E:

No option

View Solution

47:

In how many ways can the letters of the word ACCEPTANCE be arranged?

A:

frac{10!}{2!2!3!}

B:

frac{10!}{2!3!}

C:

frac{10!}{2! 2!}

D:

10!

E:

No option

View Solution

48:

Find the number of ways of selecting 6 out of 10 subjects for an examination.

A:

218

B:

216

C:

215

D:

210

E:

No option

View Solution

49:

The probability of picking a letter T from the word OBSTRUCTION is

A:

frac{1}{11}

B:

frac{2}{11}

C:

frac{3}{11}

D:

frac{4}{11}

E:

No option

View Solution

50:

The result of rolling a fair die 150 times is as summarized in the table below

What is the probability of obtaining a 5?

Diagram coming soon

A:

frac{3}{10}

B:

frac{1}{5}

C:

frac{1}{6}

D:

frac{1}{10}

E:

No option

View Solution