Question # 1

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a cosec(ax + b) + c

- a cosec(ax + b) + c

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none of these

Name the property used in a (b-c) = ab - ac

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commutative property of multiplication

distributive property of multiplication

associative property of multiplication

multiplicative inverse

What is the period of 5 cot x=?

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π

-π

π/2

2π

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a constant function

linear function

quadratic funtion

none of these

If|a| =|b|=|a + b|=1, then|a+ b| = 5, then|a-b| =

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4

6

5

3

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Commutative law of addition

Associative law of addition

Additive identity

Additive inverse

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 third term of the sequence a_n= (-1)^n-1(n-7) is ______

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8

4

-4

8

If x³+ ax²- a²x - a³is divided by x + a, then the remainder is

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0

a³

2a³

-2a³

The roots of the equations will be equal if b²- 4ac is

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Positive

Negative

1

Zero

n(n-1)(2n-1), for all natural numbers n, is divisible by

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12

6

2

18

In (x +iy) y is called as

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Imaginary part

Complex number

Real part

None of above

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A

B

A'B'

B'A

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Every prime number is also

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Rational number

Even number

Irrational number

Multiple of two numbers

The mid point of the line segment joining the points (a,b) and (b,a) is

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Decimal part of irrational number is

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Terminating

Repeating only

Neither repeating nor terminating

Repeating and terminating

The matrix A = [aij]mxn with m≠n is

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Rectangular

Symmetric

Square

None

A square is inscribed in the circle x²+ y²- 2x + 4y + 3 =0. Its sides are parallel to the co-ordinate axes. Then one vertex of the square is

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A and B be two square matrices and if their inverse exist the (AB)-1 =

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A-1 B-1

AB-1

A-1B

B-1A-1

What is the 26th term of the sequence, if its general term is a_{n = (-1)}ⁿ⁺¹

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2

26

27

1

(x + 2)²= x²+ 4x + 4 is

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A linear equation

A cubic equation

A quadratic equation

None

The upper 3/4 the portion of a vertical pole subtends an angle tan^-13/5 at a point in the horizontal plane through its foot and at a distance 40 m from the foot. A possible height of the vertical pole is

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20 m

40 m

60 m

80 m

In the expansion of (x+y)n the coefficient of 5th and 12th terms are equal then n=

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12

n=14

17

n=15

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all are correct

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Associate law of addition

Commutative law of addition

Additive identity

Closure law of addition

If origin is the mid point of (a, -3) and (-5, b) then

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a = -5 , b = -3

a = 5 , b =3

a = -5 , b = 3

a = 5 , b = -3

120° degrees are equal to how many radians?

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none of these

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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