Question # 1

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The constant distance of all points of the circle from its centre is called the

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radius of the circle

secant of the circle

chord of the circle

diameter of the circle

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0

Independent of a

Independent of b

Independent of c

The additive identity of real number is

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1

2

1/2

0

If a (p + q)²+ bpq +c = 0 and a (p + r)²+ 2 bpr + c = 0, then qr equals

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p²+ c/a

p²+ a/c

p²+ c/a

p²- c/a

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Every identity matrix is

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Row-vector

Scalar

Column-vector

All

The period of cos(7x-5) is

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π/7

7π/2

π/2

2π/7

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

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Range of cosecθis

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W - {y | -1 < y < 1}

R - {y | -1 < y < 1}

O - {y | -1 < y < 1}

R

Write the first four terms of the sequence if a_n= (-1)ⁿn²

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-1, 4, -9, 16

1, -4, 9, 16

1, 4, 9, 16

None of these

There may be ______ feasible solution in the feasible region

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Infinite

Finite

Defined

None of above

The range of the tangent function is

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all real numbers

-1 ≤ x ≥ 1

natural number

z⁺

sin5θ+sin3θ = _______;

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2sin 4θ cosθ

2cos 4θ sinθ

2cos 4θ cosθ

-2sin 4θ sinθ

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none of these

x = r2, y = 1 are the parametric equation of

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Circle

Hyperbola

Ellipse

Parabola

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A prime number

An integer

A whole number

An irrational number

The product of the four fourth roots of unity is

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0

1

-1

None of these

The set of the first elements of the orders pairs forming a relation is called its

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Relation in B

Range

Domain

Relation In A

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36

360

24

6

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The slope of the normal at (5 cos, 0, 5 sin 0) to the circle. x²+y² = 25 is:

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tan𝜽

cos𝜽 /sin𝜽

-cot𝜽

- tan𝜽

There is no element common in

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N and W

E and W

N and O

Q and Q'

(0.90)^1/2is equal to

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0.99

0.90

0.80

0.88

The domain of y = cos-1 x is

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-∞ < x < ∞

-1≤ x≤ 1

x≤ -1 or x ≥ 1

None of these

The set of natural numbers is a subset of

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{1, 2, 3, .... 100}

The set of whole numbers

{2, 4, 6, 8, .....}

None of these

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A card is drawn from a pack of cards numbered 2 to 53. the probability that the number on the card is prime number less than 20 is

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2 / 13

4 / 13

5 / 13

8 / 13

If f (x) is defined and continuous then f (x) is always

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Rational function

Trigonometric function

Logarithmic function

All are correct

If the roots of x²+ ax + b = 0 are non-real, then for all real x, x²+ ax + b is

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Negative

Positive

Zero

Nothing can be said

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