Question # 1

A line joining two distinct points on a parabola is called

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Axis

Directrix

Chord

Tangent

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direction ratios

direction cosines

direction angles

none of these

If three unequal numbers p, q, r are in H.P. and their squares are in A.P., then the ration p : q : r is

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1

-1

-1/2

1/2

graph of sine function is bounded between lines

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y± 1 = 0

x± 1 = 0

x± y - 0

None of these

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0

1

-A

-1

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sin h x

cos h x

tan h x

cot h x

cos (180° -θ)=

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sinθ

- cosθ

- sinθ

None of above

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

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a

b

a + b

If f (x) = |x|, then (0,0) is the

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Critical point

Inflection point

Stationary point

None of these

The towers each 120 meters high are 800 meters apart. The measure of the angle of elevation from the base of one tower to the top of the other is

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12^𝜊

9^𝜊

7^𝜊

-120^𝜊

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Three numbers are chosen random without replacement from {1, 2, 3, ...., 10}. the probability that minimum of the chosen numbering is 3 or their maximum is 7

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7 / 40

5 / 40

11 / 40

None of these

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4(x³- 3x²)³+ c

3x²- 6x + c

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

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Bounded region

Convex region

Unbounded region

None

If uv= Projuv then

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Uandvare parallel

vis a unit vector

Uis a unit vector

Both b and c

If a = {2m/2m < 9 ,m€ p} , the (n A) =

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{2,3,4,5,6,7,8}

{2,4,6,8............16}

{ 4, 6}

{2,3,5,7}

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In quadratic equation f(x) = ax²,if a >0, then the graph of parabola

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Opens up

Opens down

close up

symmetric w.r.t.x.axis

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If for the matrix A, A⁵= I, then A^-1=

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A²

A³

A

None of above

If the sum of co-efficient in the expansion of (a+b)ⁿis 4096, then the greatest co-efficient in the expansion is

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1594

792

924

2924

If n∈Z+ then(a+x)n is a/an

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Finite series

Convergent series

Infinite series

Divergent series

Six boys and 3 girls are to be seated at random, in a row, for a photograph. The probability that no two girls will sit together is

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1/12

1/6

5/12

7/12

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30°

45°

60°

120°

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3x + 4 < 0 is

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not inequality

equation

identity

inequality

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0

1

undefined

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