Question # 1

If log_x64 = 2 then value of x will be:

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64

2

8

64²

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Transtitive

Multiplicative inverse

Multiplicative identity

None

If the product of two surds is a rational number, then each surd is called ________ of the other:

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Additive inverse

Multiplicative inverse

Rationalizing factor

Factor

The matrices are denoted by _________ letters of English alphabet:

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Small

Capital

Both a and b

None

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Every real number is also a complex number with imaginary part as ______

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1

b

O

10

The rectangular array of numbers enclosed by a pair of brackets is called:

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Determinants

Matrix

Set

Solution set

What should be added to complete the square of x⁴+64 _______ :

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8x²

-8x²

16x²

4x²

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9

-6

6

-9

If the square of one side of a triangle is equal to the sum o the squares of the other two sides then the triangle is a ___________:

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Acute

Right

Obtuse

Scalene

The boundary of a circle is called:

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Circumference

Arc

Line

Area

Which of the following is true?

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W⊆ N

Z ⊆ W

N ⊆ P

P ⊆ W

The size of class interval (6-10) is.

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4

5

8

10

Number of ways to solve quadratic equation are:

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1

2

3

4

U' = ________________

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U

A

A'

φ

If variance is equal to 36 then the standard deviation will be:

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36

6

-6

none of these

Tangent drawn at the ends of diameter of a circle of___________ to each other:

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parallel

perpendicular

collinear

none parallel

The formula of group data of the median is:

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l + h/f (n/2 -c)

l +∑fx/∑f x n,

l + f_m- f₁/2f_m - f₁ - f₂ x n,

A + ∑fu/∑f x n

tan 30^o=...................................

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1/2

√3/2

√3

1/√3

Solution set of equation 5x²-125 = 0 is:

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{5}

{10}

{-5}

Tan 90 =_________.

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√3/2

1/√3

0

undefined

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all of these

Fifth term of the sequence 2, 6, 11, 17.

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24

41

32

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The middle term of (x-y)¹⁸ is:

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9th

10th

11th

none of these

If 2s = a + b + c, where a, b, c are the sides of a triangle ABC, then area of triangle ABC is given by:

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A circle drawn inside a triangle and touching its sides is known as:

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

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Sum of roots of ax² + bx + c = 0 is equal to product of roots only if:

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a+c=0

b+c=0

a+b=0

a+b+c=0

The additive inverse of a matrix A is:

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A

A^-1

- A

A²

A groupoid (S) is called __________ if it is associative in S:

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group

abelian-group

semi-group

associative-group

The graph of y = cos^-1 x is obtained by reflecting the graph of y = cos x about:

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x-axis

y-axis

y = x

y = -x

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