Question # 1

What is the axis of the parabola y²= 4ax?

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x = 0

y = 0

x = a

y = 0

If the roots of 3x2+kx + 12 = 0 are equal then k = ______

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If a plane passes through the vertex of a cone then the intersection is

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an ellipse

a hyperbola

a point circle

a parabola

If n(X) = 18, n(X∩Y) = 7, n(X∪ Y) = 40 then n(Y) =

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1

12

5

29

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I quadrant

II quadrant

III quadrant

IV quadrant

(√3+√5)+√7 = √3 +(√5 +√7) property used in above is

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Commutative property of addition

Closure property of addition

Additive inverse

Associative property w.r.t to adition

Given two independent event A and B such that P(A) = 0.30 and P(B) = 0.60. Probability of getting neither A nor B is

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0.28

0.13

0.12

0.42

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

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The exact degree value of the function sin-1( -√3/2) is

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70^ο

50^ο

90^ο

60^ο

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If 2 tan¹(cos x) = tan^-1(cosec²x), then x is equal to

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π/ 3

π/ 2

π/ 6

π

The multiplicative inverse of 1 is

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1

-1

0

Does not exist

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Parallel to the plane

At right angles to the plane

Lies in the plane

Meet the plane obliquely

a >b ⇒a +c >b +c is known as

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Trichotomy property

Additive property of inequality

Transitive property

Multiplicative property

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x²+ x - 6 = 0 is a conditional equation and it is true for

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2, 3

2, -3

-2, -3

-2, 3

If x+y+z+......+2n = 2n+1-1∀n∈W,then cube root of xyz is equal to

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1

4

2

8

Number of conics is

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1

3

2

4

If all members of a sequence are real numbers then it is called

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A.P

Real Sequence

G.P

None of these

A line segment whose end points lie on a circle is called

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The secant of the circle

The arc of the circle

The chord of the circle

The circumference of the circle

The value of i⁴ⁿ⁺¹

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1

-1

i

i²

An expression involving any of the symbols <,>,< or > is called

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equation

inequality

linear equation

identity

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0

1

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The domain of the principle cos function is

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None of these

General solution of 1 + cos x = 0 is

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If the roots of ax2 + b =0 are real and distinct then

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ab > 0

a = 0

ab < 0

a > 0,b > 0

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1

2

3/2

5/2

∫ x cos dx is equal to :

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x cos x + sin x

cos x + x sin x

x cos x + x sin x

x sin x + cos x

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