Add the following rational numbers:
 

17

28

  +  

8

28

 

A.	25 29
B.	25 28
C.	23 28
D.	25 26

Kong drove 2 hours longer than Ye at an average speed 2 kilometers per hour faster than Ye. Xiu drove 4 hours longer than Ye at an average speed 4 kilometers per hour faster than Ye. If Kong drove 50 kilometers more than Ye, then how many more kilometers did Xiu drive than Ye?

A.	98
B.	118
C.	103
D.	108

Find the number of sides of a regular polygon whose each exterior angle is ^@ 45 ^ \circ. ^@

A.	^@14^@
B.	^@9^@
C.	^@ 8 ^@
D.	^@6^@

Which is the smallest fraction that must be subtracted from the square root of  

13	4
	9

  so that the resulting number is a positive whole number?

A.	2 4
B.	2 3
C.	2 5
D.	3 2

Which of the following numbers is a perfect cube?

A.	13828
B.	42881
C.	26994
D.	729

Jun bought a bike at ¥60000. If its value depreciates at the rate of 10% per annum, find the value of the bike after 3 years.

A.	¥43772
B.	¥48114
C.	¥43740
D.	¥43757

(7xy - 56y + 3x - 24) ÷ (x - 8) = ?

A.	7y - 3
B.	-3y + 7
C.	-7y + 3
D.	7y + 3

Use the Euler's formula to find the number of edges of a 3-dimensional figure with ^@9 ^@ faces and ^@13 ^@ vertices.

A.	^@21^@
B.	^@20^@
C.	^@25^@
D.	^@18^@

The base of the parallelogram is twice its height. If its area is ^@1250 \space m^2^@, find its height.

A.	^@ 25 \space m ^@
B.	^@ 50 \space m ^@
C.	^@ 12.5 \space m ^@
D.	^@ \text { None of these } ^@

Simplify (81)^-3/4 × 3 = ?

A.	-1 9
B.	1 9
C.	1 27
D.	-1 27

If  

1

5

 : 

1

x

  =  

1

x

 : 

1

125

 , then what is the value of x?

A.	25
B.	25.1
C.	28
D.	26

Factorize (81a² - 25).

A.	(9a + 5) (9a - 5)
B.	(a - 1) (81a + 25)
C.	(9a - 5) (9a - 5)
D.	(a + 1) (81a - 25)

Following chart shows the profit (in millions) of a company. Assuming the trend between data points to be linear, find the profit for the 4^th year.

A.	26 millions
B.	27 millions
C.	23 millions
D.	25 millions

Cheng picks a three digit number and subtract it from the same number after reversing order of its digits. This difference will always be fully divisible by which of following number?

A.	23
B.	10
C.	9
D.	28

Find the length of the longest pole that can be put in a room of dimensions ^@5 \space m^@ by ^@ 4 \space m ^@ by ^@ 3 \space m.^@

A.	^@ 5.721 \space m ^@
B.	^@7.071 \space m^@
C.	^@ 11.521 \space m ^@
D.	^@ 7.291 \space m ^@

A man sells a buffalo for ¥991.1 making a profit of 6%. What is the cost of buffalo?

A.	948
B.	944
C.	909
D.	935

Chi deposited an amount in bank which gives 10% simple interest. If he gets ¥ 75000 after 5 years, find the amount deposited by him?

A.	¥50000
B.	¥49000
C.	¥48000
D.	¥52000

Find compound interest on ^@ ¥1953125 ^@ for ^@ 3 ^@ years at ^@ 6 \dfrac { 2 } { 5 } \% ^@ per annum compounded annually.

A.	^@ ¥ 399545^@
B.	^@ ¥ 399512 ^@
C.	^@ ¥ 399594^@
D.	^@ ¥ 399481^@

If (6b² - 8b) × ( -8b² + 4b - 7) = -48b⁴ + 88b³ - 74b² + ab, find the value of a.

A.	60
B.	55
C.	65
D.	56

(28a² + 29a + 6) ÷ (4a + 3) = ?

A.	2a + 7
B.	7a - 2
C.	7a + 2
D.	-7a + 2

A group of students from an Australian school are selected for a study. The color of the eyes of the students are noted as below:

Color of Eyes	Number of Students
black	10
grey	6
blue	8
brown	7
green	2

What is the probability that the color of a student's eyes, chosen randomly, is green?

A.	1 33
B.	5 31
C.	2 33
D.	6 33

Four friends Li Qin, Fang Yin, Shaiming, and Sying are standing in a row. Li Qin is not standing at the first position. Fang Yin is not standing at the last position. Shaiming is standing behind Fang Yin. Sying is standing between Shaiming and Li Qin.
Who is standing at first position?

A.	Shaiming
B.	Fang Yin
C.	Li Qin
D.	Sying