Question # 1

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quad I

quad. II

quad. III

quad. IV

The set of all rational numbers between 2, 3 is:

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an empty set

an infinite set

a finite set

a power set

If x is positive or zero, then the principal value of any inverse function of x, if it exists lies in the interval:

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tan(π + tan^-1x ) =

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x

π+x

π-x

none of these

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20

In any triangle ABC, law of cosines is:

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π, e are:

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integers

natural numbers

rationalnumbers

irrationalnumbers

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If A is a matrix of order m × n and B is a matrix of order n × p then the order of AB is:

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p×m

p×n

n×p

m×p

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scalarmatrix

diagonalmatrix

lower triangularmatrix

uppertriangularmatrix

If a_n-3 = 2n - 5 then a_n =

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2n-1

2n+1

2n+3

none

One of the roots of the equation 3x2 + 2x + k = 0 is the reciprocal of the other, then k = ...............:

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3

2

1

4

If A and B are two matrices, then:

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A B = O

AB = BA

AB = I

AB may not be defined

{2, 4, 6, 8, ...........} represents the set of:

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positive odd numbers

natural numbers

prime numbers

positive even numbers

A circle passing though the vertices of a triangle is known as:

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The number of ways in which fiver persons can sit at a round table is:

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4!

5!

none of these

If S is the H.M between 2 and b then b = :

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-10

10

7

5

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The domain of principal tangent function is:

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Synthetic division is a process of:

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division

subtraction

addition

multiplication

Sum of integral multiples of there between 4 and 22 is:

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81

75

211

none

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