Simplify
 

-6532

-71

  +  

-3286

-62

  +  

-2304

-48

  -  

-2597

49

 

A.	247
B.	246
C.	244
D.	254

Sum of three like fractions is  

19

9

 . The first two fractions are  

2

9

  and  

8

9

 . Find the third fraction.

A.	14 9
B.	9 9
C.	10 9
D.	9 12

If the mean of ^@ 4 ^@ observations ^@ x, x + 2, x + 4, x + 6^@ is ^@ 6 ^@, find the value of ^@ x.^@

A.	^@ 8 ^@
B.	^@ 3 ^@
C.	^@ 10 ^@
D.	^@ 5 ^@

A train traveling at 42 kilometers per hour, passes through a tunnel in 6 minutes. A second train, twice as long as the first one, traveling at the same speed, takes 7 minutes to pass through the tunnel. What is the length of the second train?

A.	1200 m
B.	1400 m
C.	1350 m
D.	1500 m

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

A.	117°
B.	126°
C.	133°
D.	130°

Angles A, B, and C of a triangle are in the ratio 6:9:5. What is the value of angle C?

A.	36°
B.	63°
C.	45°
D.	27°

Which of the following properties can prove that two triangles are congruent?

A.	SSS
B.	SAS
C.	ASA
D.	All of these

Find the ^@SP^@ of an article whose ^@CP^@ is ^@ ₩ 403 ^@ and sold at a loss of ^@31\%^@.

A.	^@ ₩ 278.07 ^@
B.	^@ ₩ 283.07 ^@
C.	^@ ₩ 290.07 ^@
D.	^@ ₩ 331.07 ^@

If the sum of both the horizontal and the vertical rows is same, find the missing rational number.

8 23	3 23	3 23
	2 23

A.	7 23
B.	9 23
C.	10 23
D.	8 23

The radius of the unshaded circles is 3 cm, 4 cm, and 5 cm, respectively. Find the area of the shaded region. (For this question assume π = 3)

A.	279 cm2
B.	284 cm2
C.	280 cm2
D.	282 cm2

If the power plant is 16b² + 6b + 1 km from Seoyeon's house, how far is stadium from chemist?

	3b2 - 5b + 4 ←¯¯¯¯¯→		? ←¯¯¯¯¯→		8b2 + 6b - 6 ←¯¯¯¯¯→
House		chemist		stadium		power plant

A.	5b2 + 5b - 3
B.	-5b2 + 5b + 3
C.	5b2 + 5b + 3
D.	5b2 - 5b + 3

^@\left( \dfrac{ 1 }{ 1 } \right)^{ -3 } + \left( \dfrac{ 4 } { 5 } \right)^{ -1 }^@

A.	^@\dfrac { 8 }{ 4 }^@
B.	^@\dfrac { 9 }{ 4 }^@
C.	^@\dfrac { 4 }{ 9 }^@
D.	^@\dfrac { 5 }{ -1 }^@

Which of the following options show the reflection of the image over the dotted line ?

A.
B.
C.
D.

Write ^@22 \space mm^@ as a percentange of a ^@cm^@.

A.	^@ 221 \% ^@
B.	^@ 222 \% ^@
C.	^@ 220 \% ^@
D.	^@ 219 \% ^@

Write these decimal numbers in expanded form:
7514.674

A.	7000 + 500 + 10 + 4 +   6 10   +   7 100   +   4 1000
B.	700 + 50 + 1 +   4 10   +   6 100   +   7 1000   +   4 10000
C.	70 + 5 +   1 10   +   4 100   +   6 1000   +   7 10000   +   4 10000
D.	70000 + 5000 + 100 + 40 + 6 +   7 10   +   4 100

Multiply ^@6x y^@ by ^@(10 x - 12 xy)^@.

A.	^@ 6 x^2 y - 72 x^2 y^2 ^@
B.	^@ 60 x^2 y - 72 x^2 y^2 ^@
C.	^@ 60 x y - 72 x^2 y^2 ^@
D.	^@ x^2 y - 72 x y^2 ^@

Take away one hundredths eight times from 1 and you are left with

A.	0.92
B.	0.01
C.	0.08
D.	none of these

Find the value of z from equation (z + 1)² - (z - 2)² = 27.
Hint : Use the identity (a+b) (a-b) = a² - b²

A.	z = 4
B.	z = 6
C.	z = 5
D.	z = 7

The perimeter of the triangle whose sides are 14 m, 22 m and 11 m is

A.	51 m
B.	41 m
C.	61 m
D.	47 m

If two angles of a triangle are 60° each, then the triangle is called an:

A.	equilateral triangle
B.	isoceles triangle
C.	scalene triangle
D.	right triangle