Question # 1

The product in matrices AB, the number of columns of A must be equal to number _______ of B.

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Columns

Entries

Rows

None of these

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Polynomial

Irrational

Rotational

None of these

Triangles are of same shape but different sizes:

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Similar

Corresponding

Congurent

Alternate

log (m)ⁿ can be written as:

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(log m)ⁿ

m log n

n logm

log (mn)

If a matrix has m rows and n columns the order of matrix is:

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m-by-m

n-by-n

m-by-n

n-by-m

Congruent triangles are ___________:

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Parallel

Similar

Different

None of these

loge = ____________ where e = 2.718:

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0

0.4343

infinity

1

Center of a circle is on the right bisector of each of its ________.

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Chords

Circumference

Radius

Centre

The entries presented in vertical way are called _______

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Columns

Diagonals

Row

Order

If a:b=c:d then a,b,c and d are said to be in:

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Proportion

Ratio

Equal

Unequal

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-8

-2

None of these

Tangents drawn at the ends of _______ of a circle are parallel to each other:

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Chord

Diameter

Corners

Arc

Sec 30^o = .....................

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1/2

√3/2

2

2/√3

A'=_____________

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{x|x∈U^x∉A}

{x|x∈U^x∈A}

{x|x∉U^x∈A}

{x|x∉U^x∉A}

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Angle inscribed in a semicircle is always:

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90°

60°

120°

360°

Power set of an empty set is:

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{a}

In degree measurement . 1' is equal to:

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1^o

60^o

90^o

360^o

If two arcs of a circle (or of congruent circles) are congruent, then the corresponding chord are:

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Perpendicular

Parallel

Bisect each other

Equal

A ___________ is the locus of a moving point P in a plane which is equidistant forms some fixed point O.

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circle

diameter

chord

circumference

The discriminant of 7x²+8x+1=0 is:

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32

34

36

38

The ratio of a and b is written as:

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a : : b

a : b

a = b

If A is a square matrix, then:

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|A^t| = A

|A^t| = -A

|A^t| = |A|

A^t= A

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set builder notation

tabular form

descriptive method

non-set builder method

csc (2π - Θ), where Θ is a basic angle, will have terminal side in:

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quad. I

quad. II

quad. III

quad. IV

In a simultaneous throw of two dice, The probability of getting a total of 7 is:

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The factorial of positive integer is:

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rational no.

positive integer

real no.

none

In how many ways two places can be filled by n objects:

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n(n-1)

2!

n(n+1)

None

Number of terms in the expansion of (x+y)⁶ is:

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7

6

2

8

(x + 3) (x + 4) = x2 + 7x + 12 is:

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all of these

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Equations having a common solution are called:

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linear

quadratic

homogeneous

simultenaeous

Zero vector is perpendicular to:

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Every vector

Unit vector only

Position vector only

Not any vector

Sir Isaac Newton was a(an) --------- mathematician.

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German

French

Swiss

English

A region, which is restricted to the ________ quadrant, is referred to as a feasible region for the set of given contraints.

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First

Third

Second

Fourth

If y = (x), then the variable x is called --------- variable of a function f.

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Dependent

Independent

Image of y

None of these

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1 (1 - 4)

2x - 3

x - 3

x³ - 3x

The directrix of the parabola x² = -4ay is:

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x = a

x = -a

y = a

y = -a

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1

2

3

4

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Unit Vector

Null vector

Position vector

None of these

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ln |sec x + tan x | + c

ln |cosec x - cot x | + c

ln |sec x - tan x| + c

ln |cosec x + cot x | + c

The center of circle x² + y² + 2gx + 2fy + c = 0 is:

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(-g, -f)

(-f, -g)

(0, 0)

(g, f)