Question # 1

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The degree of differential equation is the power of the

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Lowest order derivative

Highest order derivative

Integral

All are correct

Range of 2 tan x is ______

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[-2, 2]

-1 < x < 1

R

None of these

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The set {x +iy / x, y ∈ Q} forms a group under the binary operation of

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Addition

Multiplication

Division

Both addition and multiplication

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n different objects can be arranged taken all at a time in ______

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(n + 1)! ways

(n - 1)! ways

n! ways

n ways

If the intersection of two sets is non-empty, but either is a subset of other are called

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Disjoint sets

Over lapping

Equal sets

None of these

The sum of infinite numbers of terms of an arithmetic series is

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Finite

Infinite

May or may not finite

None of these

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4x + 1

4x

2x³

none of these

A sequence of number whose reciprocals form an arithmetic sequence is called

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Geometric sequence

Arithmetic series

Harmonic sequence

Harmonic series

0 (zero) is

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An irrational number

A rational number

A negative integer

A positive number

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30°

60°

45°

None of these

The equation of the circle with centre (-h, -k) and radius r is

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(x +h)²+ (y+k)²= r²

(x +h)²+ (y-k)²= r²

(x -h)²+ (y+k)²= r²

(x -h)²+ (y-k)²= r²

The equation of the line perpendicular to x- axis and passing through (-5,3) is

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y -3 =0

x+ 3 =0

y- 3 =∞

x +5 =0

i³=

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-1

i

-i

1

A key ring is an example of

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Permutation

Circular permutation

Combination

None

∫x sin xdx is equal to:

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sin x/x + cos x

sin x - cos x/x

x cos x + sin x

- x cos x + sin x

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A diagonal matrix is always

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Identity

Triangular

Scalar

Non-singular

The area between the x-axis and the curve y = x² + 1 from x = 1 to 2 is:

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15/6

15/4

10/4

10/3

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0

1

1/2

Name the property used in 100 + 0 = 100

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Additive inverse

Multiplicative inverse

Additive identity

Multiplicative identity

If line through (4,3) and (2,k) is perpendicular to y =2x +3, then k =_______

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-1

1

-4

4

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A rational number

An irrational number

An odd number

A prime number

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

If #n = (n-5)²+ 5, then find #3 x #4.

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54

12

4

9

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[0,1[

[0, 1]

]0, 1[

None of these

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