Question # 1

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

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√2

1/2

undefine

0

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8

9

10

11

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Riaz, Saba. Maria, Shehzad are to give speeches in a class. The teacher can arrange the order of their presentation in

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4 ways

12 ways

256 ways

24 ways

The two parts into which 57 should be divided so that their product is 782 are

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43,14

34,23

33,24

44,13

If z = (x,y) , then z ̅ =

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(-x,y)

(x,-y)

(-x, -y)

None of these

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The eccentricity e of an ellipse is always

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Rational

Real

Irrational

Integer

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Does not exist because f is unbounded

Is not attained even though f is bounded

Is equal to 1

Is equal to -1

Tangent is ...............function

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Inverse

one-one

in-to

Periodic

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In any triangle ABC,with usual notationαsinβ =____;

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b sinα

bsinβ

αsinα

None of these

If in the expansion of (1+x)ⁿ, co-efficients of 2nd, 3rd and 4th terms are in A.P., then x=

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4

5

6

7

If y = eax sin bx and y2 - 2ay1 + (a2+b2) y=0 the for what values of a and b we have y2+10y1+34y =0

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a = -10,b=34

a=-5,b=3

a=5,b=3

a=10,b=34

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Free vector

Null vector

Unit vector

None of these

The line l is horizontal if

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m is undefined

m=0

m=1

m=0-1

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A

B

A'B'

B'A

Cos 60° = ______

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1

2

1/2

3

The familiar plane curves, namely circle, ellipse, parabola and hyperbola are called:

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cones

conics

nappes

apex

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cot x + c

tan x + c

-cot x + c

-tan x + c

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ab=-1

ab = 1

ab = 2

None

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The law of sines

The law of consines

The law of tangents

None of these

The minimum value of the quadratic function f(x) = x2 +6x -2, is

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11

6

-11

13

The consecutive terms of a progressions are 30, 24, 20. The next term of the progression is

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x = -1 is in the solution of the inequality

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x + 5 < 0

2x + 3 < 0

x > 0

2x + 3 > 0

The square roots of negative numbers is called

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Real no

Complex no

Positive no

Negative no

i¹⁰¹ =

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i

i²

-i

-1

If 5,7 and 9 are A.Ms between a and b, then a and b is equal to

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2 and 12

1 and 10

3 and 11

-7 and 2

Ifθ= 60° then

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sinθ= 1/2

tanθ= cot 30°

θ=π/4

secθ= 4

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