The difference between the greatest and the least numbers of  

-8

11

 ,  

-7

19

 ,  

2

9

 ,  

1

21

  is:

A.	-166 399
B.	-75 209
C.	-11 63
D.	94 99

^@x + \dfrac{1}{ x } = 7^@, then evaluate ^@(x^6 + \dfrac{1}{ x^6 }) + (x^4 + \dfrac{1}{ x^4 }) ^@

A.	^@105896^@
B.	^@105906^@
C.	^@105889^@
D.	^@105886^@

The equation of y-axis is:

A.	y + x = 0
B.	y = x
C.	x = 0
D.	y = 0

A point on line x + y = 0 is of the form:

A.	(d, 0)
B.	(d, d)
C.	(d, -d)
D.	(0, d)

Which of the following two shapes can be joined together to form a semi-circle?

(a)	(b)	(c)	(d)

A.	a and d
B.	b and d
C.	c and a
D.	c and b

In the isosceles ^@\triangle ABC, AD \perp BC,^@ then ^@ DC = \space ? ^@

A.	AD
B.	AC
C.	BD
D.	BC

In a parallelogram ABCD, ∠A - ∠C is

A.	90°
B.	0°
C.	Can not be determined
D.	360°

The area of a trapezium is 555 cm² and the distance between its parallel sides is 30 cm. If one of the parallel sides is of length 22 cm, find the length of the other side.

A.	30 cm
B.	15 cm
C.	7.5 cm
D.	13 cm

Two chords AB and AC of a circle subtends angles equal to 100° and 90°, respectively at the centre. Find ∠BAC, if AB and AC lie on the opposite sides of the centre.

A.	85°
B.	90°
C.	95°
D.	75°

Draw a circle with its two chords ^@AB^@ and ^@CD^@ such that ^@AB^@ is not parallel to ^@CD^@. Draw the perpendicular bisector of ^@AB^@ and ^@CD^@. At what point do they intersect each other.

A.	On chord ^@CD^@
B.	On the circumference
C.	Center of the circle
D.	None of the above

The sides of a triangle are 13 cm, 14 cm and 15 cm. The altitude to the longest side is:

A.	84 cm
B.	21 cm
C.	14.56 cm
D.	11.2 cm

If radius of two spheres are in ratio 4:5, find the ratio of their volumes.

A.	16:25
B.	64:125
C.	4:5
D.	25:16

Find the arithmetic mean of first 15 multiples of 7.

A.	59.5
B.	49
C.	52.5
D.	56

A die is thrown ^@ 800 ^@ times and the outcomes are noted as given below.

^@Outcome^@	^@1^@	^@2^@	^@3^@	^@4^@	^@5^@	^@6^@
^@Frequency^@	^@200^@	^@200^@	^@160^@	^@80^@	^@120^@	^@40^@

If a die is thrown at random, what is the probability of getting ^@2^@?

A.	^@ 0.2 ^@
B.	^@ 0.25 ^@
C.	^@ 1 ^@
D.	^@ 0.1 ^@

In an examination, Mauricio attempted 18 questions correctly and secured 65 marks. If there were two types of questions i.e. of 3 marks and 4 marks, how many questions of 3 marks did he attempt correctly?

A.	7
B.	8
C.	5
D.	6

Factorize: @^ \begin{aligned} s^2 - t - st + s \end{aligned} @^

A.	^@ (s - t) (s + 1) ^@
B.	^@ (s + t) ^@
C.	^@ (s + t) (1 - s) ^@
D.	^@ (s - t)^2 ^@