Question # 1

Coordinates of the focus of the parabola x² - 4x -8y-4=0 are:

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(0,2)

(,0,1)

(2,0)

(1,2)

Tangent is ...............function

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Inverse

one-one

in-to

Periodic

24 can be written as a product of

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Odd factors

Even factors

Whole factors

Prime factors

A die is rolled. What is the probability that the dots on the top are greater than 4?

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1/4

1/2

1/3

1/33

Which of the following represents a vector

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(x, y)

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Digit in the unit place of the number 183! + 3¹⁸³

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7

6

3

0

Additive inverse of - a - b is

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a

-a + b

a - b

a + b

If a,b,c are three non-coplanar vector then [a +b,b +c,c +a] = _____

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[a.b.c]

2[a,b,c]

[abc]-2

2[abc]2

If for two events A and B , P(A∪B)=1,then events A and B are

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Certain events

Mutually exclusive

Complementary events

Independent

A triangle which is not right is called an ______ triangle

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Acute

Obtuse

Oblique

None of these

The multiplicative inverse of -1 in the set {1-, 1} is

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1

-1

0

Does not exist

For any two sets A and, A ⊆ B if

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x ∈ A ⇒ x ∈ B

x ∉ A ⇒ x ∉ B

x ∈ A ⇒ x ∉ B

None of these

With usual notations b2 = a2 + c2 -2ac cos is called______;

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Law of sines

Law of consines

None of these

Law of tangents

If a statement S(n) is true for n = i where i is some natural number and the truth of S(n) for n = k > i implies the truth of S(n) for n = k +1 then S(n) is true for all positive integers

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Which of the following is a scalar.

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force

frequency

weight

acceleration

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2

4

6

8

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x = 3

x = 1/5

x = 0

None of these

45° = ______

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A variable

A constant

0

None of these

The fifth term of the sequence a_n= 2n + 3 is ______

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13

-13

8

3

Area bounded between the curve xy=2 and the lines x=1 and x=2

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ln2 square units

ln√2 square units

ln4 square units

Square units

The centroid of a triangle divides each median in the ratio

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2 : 1

3 : 1

3 : 2

1 : 1

The equation of the circle wit (-1, 1) and radius 2 is

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The first three terms in the expansion of (1 - x)^-2are

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1 - 2x + 3x²

1 - 2x - 3x²

1 + 2x + 3x²

-2 - 2x +3x²

x = _________ is in the solution of 2x + 3 < 0

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0

2

-1

-2

An infinite sequence has no

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nth term

Last term

Sum

None of these

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1

-1

0

None of these

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