If ^@I = \dfrac{ 8 }{ 9 } \div \dfrac{ 2 }{ 5 },^@ ^@II = 8 \div [9 \div 2] \div 5^@, ^@III = [8 \div (9 \div 2)] \div 5,^@ ^@IV = 8 \div 9 \div (2 \div 5),^@ then

A.	^@I^@ and ^@IV^@ are equal
B.	^@I^@ and ^@II^@ are equal
C.	^@II^@ and ^@III^@ are equal
D.	Both (a) and (c) are true

Factorise: @^ \begin{aligned} 1 + 2xy - x^2 - y^2 \end{aligned} @^

A.	^@ (1 - x + y)^2 ^@
B.	^@ (1 - x + y) (1 - x - y) ^@
C.	^@ (1 + x + y) (1 + x - y) ^@
D.	^@ (1 - x + y) (1 + x - y) ^@

Which of the following is true about the ordinate?

A.	It is positive above the x-axis.
B.	It is negative to the left of the origin.
C.	It is positive below the y-axis.
D.	It is positive to the right of the origin.

Solve the following system of linear equations by using the method of elimination by equating the coefficients.

^@\dfrac{ 8 x - 3 y }{ xy } = 5^@

^@\dfrac{ 6 x + 6 y }{ xy } = 12^@

A.	^@x = 1^@ and ^@y = 1^@
B.	^@x = 1^@ and ^@y = 2^@
C.	^@x = 2^@ and ^@y = 2^@
D.	^@x = 2^@ and ^@y = 1^@

If lines XY and MN intersect as shown below and a:b = 2:3, find c.

A.	126°
B.	122°
C.	135°
D.	119°

In the given figure ^@BD = CE^@, then ^@AB = \space ?^@

A.	AC
B.	BC
C.	None of these
D.

The quadrilateral formed by joining the mid-points of the sides of a quadrilateral PQRS, taken in order, is a rhombus if

A.	PQRS is a parallelogram
B.	PQRS is a rectangle
C.	Diagonals of PQRS are equal
D.	Can not be determined

The area of a trapezium is 450 cm² and the distance between its parallel sides is 20 cm. If one of the parallel sides is of length 24 cm, find the length of the other side.

A.	10.5 cm
B.	19 cm
C.	42 cm
D.	21 cm

If ∠OAB = 26° and ∠OCB = 50°, find ∠AOC.

A.	48°
B.	58°
C.	53°
D.	43°

The contruction of a triangle ^@ ABC ^@ in which ^@ AB = 20 \space cm ^@, ^@ \angle A = 60^\circ ^@ is possible when ^@ BC + AC ^@ is equal to:

A.	^@ 19 \space cm ^@
B.	^@ 19.5 \space cm ^@
C.	^@ 18.5 \space cm ^@
D.	^@ 21.5 \space cm ^@

The sides of a triangle are 13 cm, 37 cm and 40 cm. The altitude to the longest side is:

A.	45 cm
B.	12 cm
C.	240 cm
D.	15.6 cm

The diameter of a solid metallic right circular cylinder is equal to its height. After cutting out the largest possible solid sphere ^@S^@ from the cylinder, the remaining material is recast to form a solid sphere ^@S_1^@. What is the ratio of the radius of the sphere ^@S^@ to that of sphere ^@S_1 ?^@

A.	^@2:1^@
B.	^@1:2^@
C.	^@ \sqrt[3]{ 2 } : 1^@
D.	None of these.

The given table shows the marks of 12 college students in the History exam.

Name	Marks (Out of 100)	Name	Marks (Out of 100)
Hiruni	91	Shashini	100
Chamath	51	Chathura	23
Buddhika	54	Lahiru	75
Duminda	78	Sanduni	72
Isuru	35	Gayan	45
Sandun	25	Aruna	59

What is the average score of the class?

A.	53
B.	62
C.	57
D.	59

Two dice are rolled. What is the probability that the two numbers add up to a prime number?

A.	17 36
B.	5 36
C.	15 36
D.	19 36

If ♠ + ♣ = 2● and ● + ♥ = 2♠ , which of the following is correct?

A.	♠ + ● = 2♥
B.	♠ + ♥ = ♣ + ●
C.	♠ + ● = ♣ + ♥
D.	♠ + ● = 2♣

The perimeter of a triangular field is 96 m and the ratio of the sides is 15:13:4. The area of the field in sq m is:

A.	216 m2
B.	972 m2
C.	21060 m2
D.	31.177 m2