Question # 1

The set of natural is a semi group w.r.t

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Addition

Division

Subtraction

None of these

sin(a-90°)=______;

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sina

cosa

-sinθ

-cosa

The set of real numbers is a subset of

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The set of natural numbers

The set of rational numbers

The set of integers

The set of complex numbers

The total cost of 2 apples and 3 oranges is $1.70, which of the following is true

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The cost of one apple

The cost of one orange

Both have equal cost per item

Cost of each single item can not be determined

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π/ 2

π/ 3

π/ 4

π

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System of linear equation is inconsistent if

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System has no solution

System has one solution

System has two solution

None of above

In a country, 55% of the male population has houses in cities while 30% have houses both in cities and in village. Find the percentage of the population that has house only in villages.

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45

30

25

50

For a set A, A∪Ac= ---------------------

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A

∅

Ac

U

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15

9

7

8

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If the cutting plane is slightly tilted and cuts only one nappe of the cone, the intersection is

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an ellipse

a hyperbola

a circle

a parabola

The 31 term of the A.P 5,2,-1.....is

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-82

82

85

-85

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square root function

identity function

linear function

quadratic function

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-cosec²x

-sec²x

- cosec x cot x

cosec x

Some of two real numbers is also a real number , this property is called:

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Commutative property w.r.t addition

Closure property w.r.t. addition

Associative property w.r.t. addition

Distributive property w.r.t addition

ab > 0 and a > 0 then

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a > b

a < b

a = b

None

p(x) = 2x⁴- 3x³+ 2x - 1 is polynomial of degree

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1

2

3

4

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Principle of equality of fractions

Rule for product of fraction

Rule for quotient of fraction

Range of 3 sin x is ______

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[ -3, 3]

[-1, 1]

R

None of these

QUQ, =

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N

R

W

Z

The inclination of a line parallel to x-axis is

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A diagonal matrix in which the diagonal elements are equal is called a

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Null matrix

Identity matrix

Scalar matrix

Row matrix

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0

1

1/2

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sin h x

cos h x

tan h x

cot h x

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1

-i

i

0

If a +b +c =0 then which of the following is true

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a =b =c =0

a,b =b,c =c,a

a xb=b xc =c xa

None

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A

A'

U

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