Question # 1

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0

-1

1

-2

The additive identity of real number is

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1

2

1/2

0

The equation (cos p - 1)x²+ x (cos p) + sin p = 0 in the variable x, has real roots, then p can take any value in the interval

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(0, 2π)

(-π, -0)

(0,π)

None of these

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

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2

-2

3

-3

πis the period of the function

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|sin x| + |sin x|

sin⁴x + cos x

sin (sin x) + sin (cos x)

None of these

Which of the following is a vector

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length

momentum

volume

speed

6! = ______

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360

720

6.5.4

None of these

No term of a harmonic sequence can be

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0

1

2

3

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1

2

-1

0

The line through the focus and perpendicular to the directrix is called ______ of the parabola

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axis

focal chord

tangent

latus rectum

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5

15

10

20

Let A be a square matrix. Then, 1/2 (A-A') is

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Skew-symmetric

Symmetric

Null

None of the above

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0

1

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For all points (x,y) in fourth quadrant

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x > 0 , y < 0

x > 0 , y > 0

x < 0 , y < 0

x < 0 , y > 0

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A

0

Unit vector

None

If T = {2,4,6,8,10,12}, then

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T = (First six natural numbers)

T = (First six odd numbers)

T = (First six real numbers)

T = ( First six even numbers)

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Every recurring decimal represents

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A natural number

A rational number

An irrational number

A whole number

If A = [aij]mxpand B =[aij]pxnthen order of BA is

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m x n

p x n

n x m

None of these

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1

-1

5

2

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

The ratio in which the line y- x+ 2 =0 divides the line joining (3,-1) and (8,9) is

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2:3

-2:3

3:2

-3:2

The sum of even coefficient in the binomial expansion is

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2ⁿ⁺¹

2ⁿ

2^n-1

2n

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p(x) = 2x⁴- 3x³+ 2x - 1 is polynomial of degree

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1

2

3

4

The period of|sin⁡2x| is

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π/2

-π/2

π

π/3

If in a set of real no a is additive identity then

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a+a = 2a

a+a = 1

a+a = 0

None of these

If a₁and r are the first term and the common ratio respectively then (n + 1)th term of the G.P. is

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0

a₁r^n-1

a₁rⁿ⁺¹

a₁rⁿ

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Arithmetic mean between a and b is

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