Question # 1

The centre fo the circle x²+ y²+ 12x -10 = 0 is

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(12, -10)

(6, -5)

(-12, 10)

(-6, 5)

A right angle is the angle of measure

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90'

60°

60"

90°

If a₁= a₂= 2, a_n= a_n-1- 1 (n > 2), then a₅is

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1

0

-1

-2

The towers each 120 meters high are 800 meters apart. The measure of the angle of elevation from the base of one tower to the top of the other is

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12^𝜊

9^𝜊

7^𝜊

-120^𝜊

(51)⁴is equal to

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7065201

8065201

6765201

6565201

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0

1

-2

10

graph of trigonometric function y = sec x does not meet

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x - axis

y -axis

both axis

None of these

The roots of the equation ax²+ bx + x = 0 are real and distinct if

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b²- 4ac <0

b²- 4ac = 0

b²- 4ac > 0

None of these

In the expansion of (a + x)ⁿthe general term T_{r + 1}is

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7

5

6

None of these

The range of the tangent function is

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all real numbers

-1 ≤ x ≥ 1

natural number

z⁺

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If S is a sample space and event set E = S then P(E) is

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>0

1

<1

0

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A rational number

An irrational number

An odd number

A prime number

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1/8

1/2

1/4

1/6

Which one is not defined∀n∈Z+

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-n!

n!

(-n)!

n!+0!=n!+1

The graph of the quadratic equation is

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Straight line

Circle

Parabola

elipse

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perpendicular vectors

concurrent vectors

parallel vectors

none of these

πis the period of the function

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|sin x| + |sin x|

sin⁴x + cos x

sin (sin x) + sin (cos x)

None of these

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1

-1

0

I

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π / 3

π / 4

π / 2

π

If either A = 0 or B =0,then Ax2 +By2 +2Gx +2Fy +c =0 represents a

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Circle

Hyperbola

Ellipse

Parabola

The set of all positive even integers is

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Not a group

A group w.r.t. subtraction

A group w.r.t. division

A group w.r.t. multiplication

tan (-135°) = ______θ

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0

1

2

3

The number of standard parabolic functions are is

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4

2

3

1

A matrix in which the number of rows is equal to the number of columns is called a

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Diagonal matrix

Rectangular matrix

Square matrix

Scalar matrix

If n is add the expansion (a + x)ⁿhas middle terms

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2

3

4

5

An equation in which at least one term contains dy/dx, d² y /dx²etc, is called.

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Differential equation

Initial condition

General solution

Singular equation

The point lying on the terminal rat of -270° is

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(1,0)

(0,-1)

(0,1)

(-1,0)

If A ⊆ B then A ∪ B is

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A

B

A'

A ∩B

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