Question # 1

LCM of 15x² , 45xy and 30xy is:

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90xyz

90x²yz

15xyz

15x²yz

In a triangle, there can be ________ right angle (s):

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Atleast one

Almost one

Two

No

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The medians of a triangle are concurrent and their point of concurrency is the point of ________ of each median.

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Trisection

Bisector

Intersection

None

Three points are said to be ___________ if the lie on same line:

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Collinear

Non-collinear

Concurrent

None

Ordinary notation of 7.61 x 10^-4 is:

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0.000761

0.761

76100

0.0000761

The logarithm of unity to any base is:

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1

10

e

0

A triangle having all sides different called:

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Scalene

Right angle

Equilateral

Isosceles

_______ of rectangle are congruent:

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Diagonals

Heights

Bases

None of these

Symbol "For all" is used:

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A

Ɐ

gama

D

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ab-cd

ac-bd

bc-ad

ad-bc

The circumference of a circle is called _________ of a circle:

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Chord

Arc

Radius

Boundary

If A⊆ B the A⋂ B = ______

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A

B

∅

A⋃ B

The union of two noncollinear rays. which have common endpoint is called

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An angle

A degree

A minute

A raian

By definition, which of the following is a set?

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{a,b,c,d}

{1,2,3,2}

{l,m,n,o}

{0,1,2,3,1}

The discriminant of quadratic equation is:

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b²-4ac

-b²+4ac

If y = 8 and x = 4, then k = xy, we get k =

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12

32

84

114

The distance of any point of the circle to its centre is called:

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Radius

Diameter

A chord

An arc

W - N = ....................

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∅

{∅}

N

W

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1

The portion of a circle bounded by an arc and a chord is known as:

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Diameterof the circle

Radiusof the circle

Chordof the circle

Segmentof the circle

Two square roots of unity are:

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1,-1

The quadrant of an angle Θ is determined by its:

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sign

value

ratio

magnitude

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Four fourth roots of 625 are:

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±5,±5i

±5,±25i

±25,±25i

none of these

The circum-radius R of a triangle is given by:

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i

If the matrices A & B have the orders 2×3 and 5×2 then order BA is:

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3×5

5×2

2×2

none

The direction of an angle Θ is determined by its:

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value

magnitude

ratio

sign

cos⁴Θ - sin⁴Θ =

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sin 2Θ

cos 2Θ

tan 2Θ

sec 2Θ

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None

There are _______ ordered pairs that satisfy the inequality ax + by > c.

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Finitely many

Two

Infinitely many

Four

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x = c is a line:

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Perpendicular to x-axis

Parallel to x-axis

Perpendicular to y-axis

None of these

For different values of k, the equation 4x + 5y = k represents lines ______ to the line 4x + 5y = 0.

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Perpendicular

Parallel

Equal

None of these

Cosh² x - Sinh² x =

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1

-1

2

-2

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Common logarithmic

Natural logarthmic

Exponential

None of these

The technique or method to find such a function whose derivative is given involves the inverse process of differentiation called:

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Differentiation

Integration

Differential

None of these

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Point p (-5, 6) lies ............ the circle x² + y² + 4x - 6y - 12 = 0

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Outside

Inside

On

None of these

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0

2

1

3

y = b is a horizontal line parallel to _________:

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x - axis

x - axis may be

y - axis

None of these