Question # 1

If uv= Projuv then

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Uandvare parallel

vis a unit vector

Uis a unit vector

Both b and c

(7,9) +(3,-5) =

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(4,4)

(10,4)

(9,-5)

(7,3)

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Period of cos 2x is ______

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The feasible region which can be enclosed within a circle is called

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Bounded region

Convex region

Unbounded region

None

cos⁴θ- sin⁴θ=

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cos4θ

cos2θ

-sinθ

sin2θ

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

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8

4

-4

8

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0

1

8

∞

If x < y, 2x = A, and 2y = B, then

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A = B

A < B

A < x

B < y

The principal value of sin-1√(3/2) is

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-π/3

π/3

2π/3

π/2

The distance of the point (a, b) from x-axis is

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a

b

a + b

a >b, b >c ⇒a >c is a

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Multiplicative property

Additive property

Trichotomy property

Transitive property of inequality

If P is a proposition then its negative is denoted by

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A point of a solution regions where two of its boundary lines intersect, is called:

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Vertex of the solution

Feasible point

Point of inequality

Null point of the solution region

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Free vector

Null vector

Unit vector

None of these

The number of terms in the expansion of (a + x)¹²is

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13

12

11

10

A relation in which the equality is true only for some values of the known is called ______

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An identity

An equation

A polynomial

None of these

What is the value of cos (cos-1 2) ?

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√2

1/2

undefine

0

xy= 2 is:

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a constant function

an identity function

an improper function

implicit function

The multiplicative inverse of 0 is

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1

-1

0

Does not exist

Composition of functions is

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Non-commutative (fg ≠ gf)

non-associative [8(fh) ≠(8f)h]

Commutative (fg = gf)

f of-1≠ 1

In a school there are 150 students Out of these 80 students enrolled for mathematics class.50 enrolled for English class and 60 enrolled for Physics class The student enrolled for English cannot attend any other class but the students of mathematics and Physics can take two courses at a time find the number of students who have taken both physics and mathematics.

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40

30

50

60

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(a - c)²= b²- c²

(a - c)²= b²+ c²

(a + c)²= b²- c²

(a + c)²= b²+ c²

The first three terms in the expansion of (1 + x)^-1are

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1 + x + x²

1 - x - x²

-1 -x + x²

1 - x + x²

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1

0

3

-3

The axis of the parabola x² = 4ay is:

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y = 0

x = 0

x = -a

y = a

If a=5j + 2j,b=2i -3j, then|a+2b|=

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√21

√97

√39

None of these

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1

-1

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