Question # 1

Archimedes approximate the function by horizontal function and the area under f by the sum of small

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Parallelograms

Squares

Retangles

Polygons

The value of sin [ arc cos (-1/2)] is

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An empty set

Universal set

A singleton set

None of these

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

(2, 1) is in the solution of the inequality

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2x + y > 7

x - y > 2

3x + 5y < 6

2x + y < 6

If the intersecting plane is parallel to a generator of the cone, but intersects its one nappe only, the curve obtained is

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an ellipse

a hyperbola

a circle

a parabola

If the cutting plane is parallel to the axis of the cone and intersects both of its nappes, then the curve of intersection is

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an ellipse

a hyperbola

a circle

a parabola

If n is any positive integer then 3 + 6 + 9 + ....+ 3n = ______

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If P, Q, R be the A.M., G.M., H.M. respectively between any two rational numbers a and b, then P - Q is

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0

1

Another name of quadratic equation is

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Polynomial

2nd degree polynomial

Linear equation

simaltaneous equations

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0

1

2

4

Find the geometric mean between 4 and 16

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What is the conjugate of -6 -i?

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-6 +i

6+i

-6 -i

6 -i

If A is any matrix then its additive inverse is

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A

A^-1

A^t

-A

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The distance of the point (-2 , -3) from y-axis is

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2

-2

3

-3

What is the conjugate of -7 -2i?

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-7 + 2i

7 + 2i

7 -2i

None of these

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A variable

A constant

0

None of these

The angle of depression of a point A on the ground from the top of the tower is 30𝜊,then the angle of elevation of the top of the tower at the point A is

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60𝜊

40𝜊

41𝜊

30𝜊

If A⊆ B, and B is a finite set, then

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n (a) < n(B)

n(B)<(A)

n(A)≤ n (B)

n(A)≥ n(B)

Which one is a pair of allied angles

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(180° -θ)

(180° -θ,180° +θ)

(180° +θ)

None of these

In how many ways can 5 persons be seated at a round table

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5!

4!

3!

120

If 2 and 2 are x and y components of vector then its angle with x-axis is

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30°

45°

60°

90°

The multiplicative inverse of 0 is

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1

-1

0

Does not exist

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For any integer k, wⁿ= ______ when n = 3k

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1

2

0

-4

The distance between the points (0 , 0) and (1, 2) is

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5

0

3

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0

1

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