Every real number is ____________________.

A.	neither rational nor irrational number
B.	an irrational number
C.	a rational number
D.	either rational or irrational number

Factorize: @^ \begin{aligned} s(s - 1) - t(t - 1) \end{aligned} @^

A.	^@ (s - t) ( s - t ) ^@
B.	^@ (s - t) ( s + t - 1 ) ^@
C.	^@ (s - t) ( s + t ) ^@
D.	^@ (s - t) ( s - t - 1 ) ^@

What is the mirror image of ^@(13,3)^@ in the ^@x^@-axis?

A.	^@(3,-13)^@
B.	^@(13,-3)^@
C.	^@(-3,13)^@
D.	^@(-13,3)^@

An internet service provider charges ₺1.2 for the first minute and then ₺1 per minute for subsequent minutes of a call. If the duration of connection is represented as x, and amount charged is represented as y, find the linear equation for this relationship.

A.	y = x + 1.2
B.	y = 1.2x + 0.2
C.	y = 1.2x + 1
D.	y = x + 0.2

If AB and CD are parallel, find the value of ∠x.

A.	90°
B.	100°
C.	80°
D.	110°

In the isosceles ^@\triangle ABC, AD \perp BC,^@ then ^@ BD = \space ? ^@

A.	DC
B.	AD
C.	AC
D.	AB

The perimeter of a parallelogram is 192 cm. If one side exceeds the other side by 8 cm, what are the sides of the parallelogram ?

A.	47 cm, 55 cm
B.	44 cm, 52 cm
C.	48 cm, 56 cm
D.	44 cm, 36 cm

In the rhombus, ∠PRS = 5X - 365° and ∠QSP = 2X - 14°. Find the value of X.

A.	67°
B.	134°
C.	53°
D.	81°

If ∠APB = 120° and ∠DAC = 40°, find angle ∠ADB.

A.	90°
B.	80°
C.	75°
D.	85°

To construct an angle of ^@ 7.5^\circ, ^@ we bisect:

A.	^@ 15^\circ ^@
B.	^@ 45^\circ ^@
C.	^@ 22.5^\circ ^@
D.	^@ 30^\circ ^@

Find the area and the altitude respectively of the figure below:

(All measurements are in centimeters)

A.	24 cm2, 16 cm
B.	24 cm2, 12 cm
C.	31.2 cm2, 12 cm
D.	31.2 cm2, 14.4 cm

The circumference of the base of a ^@ 12 \space m ^@ high solid cone is ^@ 40 \space m. ^@ Find the lateral surface area of the cone.

A.	^@271.44 \space m^2^@
B.	^@ 278.44 \space m^2 ^@
C.	^@270.44 \space m^2 ^@
D.	^@275.44 \space m^2 ^@

Using the assumed-mean method, find the mean diameter of heads of the screws from the following frequency-distribution table.

^@\text{ Diameter }(in \space mm)^@	^@37^@	^@40^@	^@43^@	^@46^@	^@49^@	^@52^@	^@55^@
^@\text{ Number of screws }^@	^@17^@	^@27^@	^@11^@	^@15^@	^@9^@	^@10^@	^@2^@

A.	^@52.14 \space mm^@
B.	^@43.33 \space mm^@
C.	^@46.89 \space mm^@
D.	^@38.81 \space mm^@

What is the probability that an integer in the set 1, 2, 3, ...158 is divisible by 2 and not divisible by 3?

A.	55 155
B.	55 160
C.	50 157
D.	53 158

If xy represents a two-digit number, where x and y are positive single digits, which of the following CANNOT be true?

A.	y - x = 9
B.	x = y
C.	6x = y
D.	y + x = 4x

The radius of a cylinder is doubled and the height is tripled. What is the area of the curved surface now compared to the previous surface area?

A.	4 times
B.	3 times
C.	6 times
D.	5 times