Question # 1

If the distance between the centres of two circles is equal to the sum of their radii, then the circles will:

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Intersect

Do not intersect

Touch each other externally

A line which has only one point in common whit a circle is called:

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chord

secant

tangent

sector

Two linear factors x²-15x+56 are:

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(x-7) and (x+8)

(x+7) and (x-8)

(x-7) and (x-8)

(x+7) and (x+8)

A chord passing through the centre of a circle is called:

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Radius

Diameter

Circumference

Secant

In which quadrant 0 lie when Sinθ<0,Secθ<0?

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I

II

III

IV

Rang =.................

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X_m+ X_o

X_m-X_o

X_m/X_o

X_o/X_m

The standard deviation is 6 then its variance is...........

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√6

36

3

6

Which of the following is commutative law?

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A∪ (B ∪ C) = (A∪ B)∪ C

A∩ (B∩C)= (A∩B)∩C

A∪ B = B ∩ A

(A ∪ b)^c = A^c ∩ B^c

The symbol for a circle:

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20^o = _______________________________

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360'

630'

1200'

360'

A collection of well-defined distinct object is called:

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Subset

Power set

Set

None of these

The point (-5,-7) lies in ........ quadrant.

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I

II

III

IV

If number of elements in se A is 3 and in set B is 2, then number or binary relations in A x B is.

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3

4

7

12

Sec² θ -tan²θ =______________.

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sec²θ

cos²θ

1

sin²θ

A line which has two points in common with a circle is called:

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Sine of a circle

Cosine of a circle

Tangent of a circle

Secant of a circle

The line that passes through centre and touches a circle at two points is called:

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Diameter

Radius

Arc

Corners

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