Question # 1

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x = f(y)

y = f(x)

x = f(x)

y = f(y)

Additive inverse of - a - b is

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a

-a + b

a - b

a + b

The value of the expression sinθ+ cosθlies between

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Sand falls from a tube in such a way that it forms a cone whose height is always 4/3 times the radius of its base and radius of the base increases at the rate of 1/8 cm/sec. When this radius is 1 meter, the rate at which the amount of sand increases is

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1/3

1

3

None of these

The angle AOP which the ray from an observer's eye at O to an object at P at a lower level makes with horizontal ray OA through O is called the

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Angle of depression

Angle of elevation

Acute angle

Obtuse angle

The number of significant numbers which can be formed by using any number of the digits 0, 1, 2, 3, 4 but using each not more than once in each number is

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260

356

410

96

If a > 0,b > 0, c > 0 then the roots of the equation ax2+ bx + c =0 are

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Real and negative

Non-real with negative real parts

Real and positive

Nothing can be said

There are two middle terms in the expansion of (a+x)n if n is

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Even +ve integer

+ve integer

Odd +ve integer

All

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0

1

If f (x) = x/x²- 4 then which is not included in the domain of f(x)

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0

-2

1

4

If k₁ : k₂ = 1:1 then the point P dividing the line is

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Mid point

Extreme left point

Extreme Right point

Plies out side k₁ and k₂

Let A, B, and C be any sets such that A∪B=A∪C and A∩B=A∩C then

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A ≠ C

B = C

A = B

A ≠ B

Which of the following is the solution of Cot²x = 1/√3

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π/5

π/3

π/7

π/9

If a cone is cut by a plane perpendicular to the axis of the cone then the section is a

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Parabola

Circle

Hyperbola

Ellipse

If Cosθ =0, Then θ=

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nπ/2

(2n + 1)π/2

(2n - 1)π/2

(n ±1)π/2

Which of the following is solution of Tan² x = 1/3

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7π/6

5π/6

π/6

All

Sin 720° = ________

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1

0

2

1/2

If A and B are matrices of same order than (A + B)(A + B)=

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addition

multiplication

subtraction

None

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

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1

0.5

2

0

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

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3

-3

13

-13

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