If a and b are integers, then (a − b) is an:

A.	Integer
B.	Rational number
C.	Fraction
D.	Natural Number

Express ^@ 89 \space g^@ in ^@kilogram^@.

A.	^@0.089 \space kg^@
B.	^@0.89 \space kg^@
C.	^@8.9 \space kg^@
D.	^@89000 \space kg^@

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

Name	Marks (Out of 40)	Name	Marks (Out of 40)
Kanya	23	Ratana	22
Vanida	9	Sukhon	18
Phueng	17	Tola	40
Sumalee	33	Suchin	26
Klahan	20	Isra	23
Sunan	37	Somsri	24

What is the probability that the marks of a student chosen randomly are greater than 17?

A.	11 12
B.	5 12
C.	4 12
D.	10 12

Mr. and Mrs. Srivastava went to theatre with their 4 children. The children were charged with half of the entrance fee. If the total fee charged was ฿40, what is the entrance fee for each adult?

A.	฿13
B.	฿9
C.	฿10
D.	None of these

The time on a clock is ^@4^@ o'clock. How many right angles the hour and minute hands has to travel for the clock to show ^@6^@ o'clock ?

A.	^@10^@
B.	^@7^@
C.	^@2^@
D.	^@ 4 ^@

In triangle ΔPQR , ∠P = 50° and bisectors of angles Q and R meet at point S. Find ∠QSR.

A.	65°
B.	115°
C.	110°
D.	105°

Which of the following statement is false ?

A.	Two rectangles are congruent if they have the same length and breadth.
B.	Two angles are congruent if they have the same measure.
C.	Two squares are congruent if they have the same side length.
D.	If the hypotenuse of a right triangle is equal to hypotenuse of another right triangle then the triangles are congruent.

A total of 1600 cookies were brought to the school picnic. The children ate 1248 of the cookies. What was the percentage of cookies left?

A.	22 %
B.	12 %
C.	32 %
D.	42 %

What is the smallest rational number that can be formed by using 2 of the numbers given below, in the form of  

p

q

 ?
893, 280, 213, 231, 154, and 415.

A.	213 893
B.	154 893
C.	415 154
D.	154 415

The cost of fencing is ฿2281 per meter. Find the cost of putting a fence around a triangular park with sides 150 m, 151 m and 197 m.

A.	฿1135938
B.	฿1136210
C.	฿1137721
D.	฿1135585

By following the shown pattern, find how many bulbs will be there in "Pattern y".

Pattern 1	Pattern 2	Pattern 3

A.	y2 + 2y + 2
B.	3y + 2
C.	2y2 + 2y + 1
D.	2y2 + y + 2

^@\left\{ \left( \dfrac{ -1 }{ 3} \right)^{ 3 } \times \left( \dfrac{ -4 }{ 2} \right)^{ 2 } \times \left( \dfrac{ 1 }{ 2} \right)^{ 3 } \right\}^{ -1 } = ^@ ?

A.	^@\dfrac{ 1 }{ 18 }^@
B.	^@\dfrac{ -8 }{ 27 }^@
C.	^@\dfrac{ 54 }{ -1 }^@
D.	^@\dfrac{ 8 }{ 81 }^@

What is the order of rotational symmetry of a square.

A.	^@2^@
B.	^@6^@
C.	^@4^@
D.	^@5^@

If the length of a rectangle is increased by 40% and the width is decreased by 20%, find the percentage by which its area changes.

A.	12% increase
B.	20% decrease
C.	20% increase
D.	12% decrease

The parking lot of a Shopping Complex has a capacity of 224 cars. On a Monday,  

11

16

  of the parking lot was occupied with cars. How many additional number of cars could be parked in the vacant space?

A.	69
B.	59
C.	71
D.	70

The number of days left in the month of April are one fifth the number of days already passed. How many days are left in the month of April?

A.	15 days
B.	5 days
C.	10 days
D.	0 days

Solve ^@\dfrac{ 2 }{ 3 } ÷ \dfrac { 4 }{ 2 - \dfrac{ 2 } { 3 }} + \dfrac{ 1 }{ 5 }^@.

A.	^@ \dfrac { 20 } { 46 } ^@
B.	^@ \dfrac { 19 } { 46 } ^@
C.	^@ \dfrac { 20 } { 45 } ^@
D.	^@ \dfrac{ 19 } { 45 } ^@

Water expands by 8% of its volume as it freezes. How much water is required to obtain 75.6 m³ of ice?

A.	72 m3
B.	75 m3
C.	70 m3
D.	66 m3

How many lines of symmetry are there in the given figure ?

A.	One
B.	None
C.	Two
D.	Six

Which figure shows fraction  

1

4

  ?

A.	♣ ♣ ♣ ♣ ♣ ♣ ♣ ♣ ♣ ♣
B.	♦ ♦ ♦ ♦ ♦
C.	♠ ♠ ♠ ♠ ♠ ♠ ♠ ♠ ♠
D.	♥ ♥ ♥ ♥ ♥ ♥ ♥ ♥ ♥ ♥ ♥ ♥