Question # 1

the curve of the parabola y² = -4ax is symmetric with respect to

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x -axis

y - axis

Botha x and y- axis

None of thes

If a and b are real numbers then a+b is also real number this law is called

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associative law of addition

closure law of addition

Distributive law of addition

Commutative law of addition

Five engineering, four mathematics, two chemistry books are placed on a table at random.The probability that the books of each kind are all together is

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A number A is said to be the A.M between the two numbers a and b if a, A, b are in

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A.M

A.P

G.P

G.M

e-radii are denoted by

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η

r2

r3

All of these

The area of sector with central angle of 1 radians in a circular region whose radius is 2 m is

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The general value ofθsatisfying the equation 2 sin²θ- 3 sinθ-2 = 0 is

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Some of two real numbers is also a real number , this property is called:

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Commutative property w.r.t addition

Closure property w.r.t. addition

Associative property w.r.t. addition

Distributive property w.r.t addition

For any set B,B∪B' is

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Is set B

Set B'

Universal set

θ and 2kπ+θ are the ________ angles

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Quadrantal angles

Coterminal

Allied

None

If f(√x)=sin x , then f′(x) =______;

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2xcosx2

cosx2

cos√x

None of these

If P = {x/x = p/q where p,q∈ Z and q≠ 0}, then P is the set of

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Irrational numbers

Even numbers

Rational numbers

Whole numbers

For f(x) = x² + px +1, if f(3) = 3 then P =

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3/7

-2/5

-7/5

-7/3

Write the first four terms of the arithmetic sequence 5, 2, -1, ... is

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3

-4

7

1

The set of the first elements of the orders pairs forming a relation is called its

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Relation in B

Range

Domain

Relation In A

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I quadrant

II quadrant

III quadrant

IV quadrant

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The maximum value of Z = 3x+ 4y subjected to the constrains x+ y≤ 40,x+ 2y≤ 60, x≥ 0 and y≥ 0 is

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120

100

140

160

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The value of the expression sinθ+ cosθlies between

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Any point, where f is neither increasing nor decreasing and f(x) = 0 at that point, is called a

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Minimum

Maximum

Stationary point

Constant point

QUQ, =

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N

R

W

Z

√(-1b) =?

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b i

-i b

b2

i√b

√x = ______ if is a prime number

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Rational no

Natural no

Irrational no

Complex no

If t is the parameter for one end of a focal chord of the parabola y²= 4ax, then its length is

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Sin 90° = ______

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-1

0

1

Undefined

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A = x, B = 1

A = 0, B = 2

A = -1, B = 1

A = x-1, B = x + 1

Decimal part of irrational number is

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Terminating

Repeating only

Neither repeating nor terminating

Repeating and terminating

f(x) = C is

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identity function

constant function

linear function

quadratic function

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