Question # 1

120° degrees are equal to how many radians?

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If a,β are the roots of ax2+bx+c=0,the equation whose roots are doubled is

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ay2 +2by+c=0

ay2+2by+4c=0

ay2+2by+c=0

ay2+by+4c=0

A fixed point which lies on the axis of the cone is called its:

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axis

apex

plane

diameter

Any horizontal line divided the plane into

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Left half plane

Upper and lower half planes

Infinite number of horizontal liens

None of these

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0

1

If a, b, c, d, e, f are in A.P.,then e-c is equal to

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2(c - a)

2(f - d)

2(d - c)

d - c

w²⁹= ______

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0

1

w

w²

If | x | < 1, then the first two terms of (1 - x)^1/2are

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none of these

Period of cos 2x is ______

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The complement of set A relative to universal set U is the set

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X

φ

Universal set

How many elements are in the sample space of two rolling dies

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6

12

18

36

An m x n matrix is said to be rectangular if

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Forms a group w.r.t. addition

Non commutative group w.r.t. multiplication

Forms a group w.r.t. multiplication

Doesn't form a group

The number of real roots in cube roots of 8 is ?

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n x m

m x n

km x n

m x kn

AreCot √3 =?

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π/2

π

2π

π/6

Sin (2π -θ) =______.

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Cosθ

-Sinθ

-cosθ

If f₁ (x) and f₂ (x) are any two anti derivatives of a function F (x) then the value of f₁ (x) = f₂ (x)

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A variable

A constant

Undefined

Infinity

The point (-5,3) is the center of a circle and P(7,-2) lies on the circle the radius of the circle is

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2

13

7

8

If x lies in {0, 2π} and Cosec x = 2 then x =

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π/ 6 and 5π/6

π +2nπ

nπ

2π/3 and π/3

Which of the following is the subset of all sets ?

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A ≠ C

B = C

A = B

A ≠ B

If P(E) is the probability that can event will occur then P(E)=

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1

0.5

2

0

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