Question # 1

The general term in the expansion of (a+x)n is

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(r-1)th term

(r+1)th term

rth term

none

If A and B are two sets then any subset R of A x B is called

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relation on A

relation on B

relation from A to B

relation from B to A

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The set of natural no. is closed under

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multiplication

subtraction

difference

division

The number of combinations of 10 different objects taken 8 objects at a time is

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90

45

55

50

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Polynomial of degree 0

Polynomial of degree 2

Quadratic equation

None of these

If a parabola opens down, then its vertex is at the

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Right of the parabola

Left of parabola

Lowest point on the parabola

Highest point on the parabola

Trival solution of homogeneous linear equation is

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(0, 0, 0)

(1, 2, 3)

(1, 3, 5)

a.b and c

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If either A = 0 or B =0,then Ax2 +By2 +2Gx +2Fy +c =0 represents a

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Circle

Hyperbola

Ellipse

Parabola

The statement that a group can have more than one identity elements is

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True

False

Ambiguous

Some times true

The span of a standard parabola depends upon

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x

a

y

y2

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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

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The distance of the plane 2x - 3y + 6z + 14 = 0 from the origin is

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14

2

-2

11

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If d₁is the distance between (0,0) and (1,2) and d₂is the distance between (0,0) and (2,1) then

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d₁= d₂

d₁<d₂

d_1>d₂

none of these

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(2x+a+b+c)

(a+b+c)

(a+b+c+x)

0

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-1

0

1

None of these

The additive identity of real number is

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1

2

1/2

0

When we expand (a + 2b)⁵then

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a⁵+ 10a⁴b + 40a³b²+ 80a²b³+ 80ab⁴+ 32b⁵

a⁵+ a⁴b + a³b²+ a²b³+ ab⁴+ b⁵

5a⁵+ 4a⁴b + 3a³b²+ 2a²b³+ 1 ab⁴+ b⁵

None

If x,y are two positive distinct numbers then

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A>G>H

A<G<H

A=G=H

None of these

If A = {x / x ∈ R ∧ x² - 16 = 0} then A =

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- x

Infinite set

Φ

{-4,4}

The transport of a null matrix is

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Row matrix

Column matrix

Square matrix

Null matrix

The differential equations of all conis whose axes coincide with the co-ordinate axis is

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If the angle of a triangle are in the ratio 2 : 3 : 7, the triangle is

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Obtuse

Acute

Right angle

Isosceles

The probability to get an odd number in a dice thrown once is

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1/2

1/6

1/3

2

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