Question # 1

The law of sines can be used to solve

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Right angle triangle

Isosceles triangle

oblique triangle

haxagon

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

Derivative of a w.r.t x is

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0

1

x

The order of the matrix A is 3 x 2 and that of B is 2 x 3. The order of the matrix BA is

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3 x 3

3 x 2

2 x 5

5 x 2

The solution set of the equation tan^-1x - cot^-1x = cos^-1(2 - x) is

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[0, 1]

[-1, 1]

[1, 3]

None of these

The centre of the conic x2 +16x +4y2 -16y +76 =0 is

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(0,10)

(-8,4)

(-8,-2)

(1,1)

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Even

Odd

Prime

None of these

The tangents drawn from the point P to a circle are real and coincident if

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P is on the circle

P is inside the circle

P is outside the circle

none of these

The distance between the points (0 , 0) and (2, 1) is

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5

0

3

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The set {Z\{0}} is group w.r.t

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Addition

Multiplication

Division

Subtraction

The value of cos(cos-1 1/2) is

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1/2

√3/2

-1/2

1/√2

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A relation in which the equality is true for all values of the unknown is called ______

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An identity

An equation

A polynomial

None of these

The longer side of a parallelogram is 10 cm and the shorter is 6 cm. If the longer diagonal makes an angles 30° with the longer side, the length of the longer diagonal is

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Which of the following is the subset of all sets

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Φ

{1,2,3}

{Φ}

{0}

By expressing cos 113° in terms of trigonometrical ratios, answer will be

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− cos 76° = -0.7093

− cos 65° = -0.4258

− cos 67° = -0.3907

− cos 62° = -0.8520

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The domain of the function y = sin x , is

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-π/2≤ x≤ π/2

π/ ≤ x≤ π

-2π ≤ x≤ 2π

-1 ≤ x≤ 1

The range of y=x2 + 1 is the set of non-negative real numbers except

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0≤ y < 1

0 < y < 1

0≤ y≤ 1

0 < y≤1

If the domain of sequence is finite set then the sequence is called

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geometric sequence

infinite sequence

finite sequence

arithmetic sequence

For all points (x,y) in first 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 rational number

A irrational number

An even integer

A factor of 36

A function in which the variable appears as exponent is called:

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An identity function

A logarithmic function

an exponential function

A rational function

Empty set is

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Not the member of real numbers

Infinite set

Finite set

Not subset of every set

The angle between the vectors u =2i - i + k and v = -i + i is:

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3π/2

2π/3

5π/6

π/3

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f(x) = x²

f(x²) = x

f(x) = x

none of these

x = ________ is in the solution of 2x - 3 < 0

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2

-2

3

4

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