-2

0

  is _____.

A.	a negative rational number
B.	not a rational number
C.	a positive rational number
D.	either positive or negative rational number

If the sum of a number m and its reciprocal is 47, write the equation showing this relationship.

A.	m +   1 m   = 47
B.	m - 47 =   1 m
C.	m -   1 m   = 47
D.	m + 47 =   1 m

Find the measure of each interior angle of a regular polygon of $12$ sides.

A.	$175 ^ \circ$
B.	$135 ^ \circ$
C.	$150 ^ \circ$
D.	$155 ^ \circ$

Which is the smallest number that can be multiplied to 4928 to give a perfect square?

A.	75
B.	55
C.	77
D.	35

Some bananas are packed into a box in stacks. Each stack has the same number of bananas in each row as the number of rows. The number of stacks is also the same as the number of rows. If there are 44 stacks of bananas in the box, what is the total number of bananas in the box?

A.	85184
B.	85365
C.	85010
D.	84695

A shopkeeper sells two qualities of wheat at the rates of ₩36 per kg. and ₩38.5 per kg, gaining 20% and 10% profit respectively. If he mixes the two variants in the ratio 2:3 and sells the mixture at ₩39.6 per kg., what is his gain% or loss%?

A.	25% profit
B.	20% loss
C.	25% loss
D.	20% profit

If one third of a number is 30 less than the original number, find the number.

A.	42
B.	51
C.	45
D.	39

Find the 3-D shape that fits best with the given description:
$\text { 4 faces, 6 edges, and 4 vertices}$

A.	Triangular Prism
B.	Triangular Pyramid
C.	Square Pyramid
D.	None of these

If a cube of side 55 cm is cut into small cubes each of side 5 cm, then how many small cubes will be formed?

A.	11
B.	1331
C.	3025
D.	None of these

Simplify the following and write the answer in exponential form
 

17 -8 × 17 -4 × 17 -8

17 -6

  × 17⁶ × 17⁴ × 17⁸ = ?

A.	173
B.	174
C.	175
D.	176

Person A can do a work in 24 days. If person B is 60% more efficient than person A, than in how many days can person B do the same work?

A.
B.
C.
D.

Factorize (5p - 6)² + 120p.

A.	(p - 1) (25p + 36)
B.	(p + 1) (25p + 36)
C.	(5p + 6) (5p - 6)
D.	(5p + 6) (5p + 6)

The graph below shows the temperature (in degrees Celsius) over 10 weeks in and . Find the difference in the temperature of two cities in the week when the difference is maximum.

A.	13°C
B.	15°C
C.	14°C
D.	16°C

Find the value of B from following summation.

	A	B
+	5	6
1	3	A

A.	2
B.	4
C.	1
D.	0

The area of a trapezium is 63 cm² and the length of one of the parallel sides is 16 cm and its height is 7 cm. Find the length of the other parallel side.

A.	4 cm
B.	2 cm
C.	0 cm
D.	3 cm

A man sells a mare for ₩987.12 making a profit of 8%. What is the cost of mare?

A.	885
B.	921
C.	914
D.	931

Jimin deposited ₩1400 in bank on 10th August 2005 and withdrew on 10th February 2006. Find the interest earned by her at simple interest of 12% pa.

A.	₩67
B.	₩92
C.	₩84
D.	₩100

Find the compound interest on $₩ 70000$ for $1$ year at $8 \%$ per annum, compounded half yearly.

A.	$₩ 5675$
B.	$₩ 5773$
C.	$₩ 5712$
D.	$₩ 5761$

If the length and width of a rectangle are ( -4q² - 9q - 5) and (8q² - 3q - 9), find the area of the rectangle.

A.	- 32q4 + 60q3 + 23q2 + 96q + 45
B.	- 32q4 - 60q3 + 23q2 + 96q + 45
C.	32q4 - 60q3 + 23q2 + 96q + 45
D.	- 32q4 - 60q3 + 23q2 + 96q - 45

(xy - 8y + 3x - 24) ÷ (x - 8) = ?

A.	y - 3
B.	3y + 1
C.	y + 3
D.	-3y + 1

Woojin and Jiwoo sit on the 10-member board of directors for company X. If the board is to be split up into two 5-person subcommittees, what is the percentage that Jiwoo and Woojin are included in the same sub-committee?

A.	41.44%
B.	62.44%
C.	44.44%
D.	52.44%

Pump A can fill a tank in 42 minutes, while pump B can fill the same tank in 7 minutes. Both pumps are turned on together to fill the empty tank, but when tank became half full, pump B stops working and rest of the tank is filled by pump A only. How long it took to fill the tank?

A.	23 minutes
B.	24 minutes
C.	27 minutes
D.	22 minutes