Question # 1

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quad. I

quad. II

quad. III

quad. IV

The real part of the complex number a + bi is:

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b

-b

a

-a

With usual notations for triangle R equals:

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In an A.P.a₃ = 12 and a₇ = 32 then d = :

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5

3

7

9

The set of negative integers is closed with respect to:

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addition

multiplication

both (a) and (b)

subtraction

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A set containing finite number of elements is called:

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nullset

superset

finiteset

infiniteset

If a statement P(n) is true for n = 1 and truth of P(n) for n = k implies the truth of P(n) for n = k + 1, then P(n) is true for all:

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integers n

real numbers n

positive real numbers n

positive integers n

ⁿC₄ =ⁿC₈then n = :

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4

12

8

6

In a simultaneous throw of two dice, The probability of getting a total of 7 is:

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Domain of finite sequence is:

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set of natural numbers

subset of N

R

none

No. of arrangements can be made of 4 letters a, b, c, d taken 2 at a time ?

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8

12

10

14

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integer

rationalnumber

irrationalnumber

naturalnumber

If A is a square matrix, then:

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|A^t| = A

|A^t| = -A

|A^t| = |A|

A^t= A

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20

A die is rolled. The probability that the dots on the top are greater than 4 is:

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5, 6

1

r r₁ r₂ r₃ =

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abc

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Reflexive property

Symmetricproperty

Transitiveproperty

Trichotomyproperty

Number of digits multiple of 5 made from the digits 2, 3, 5, 7, 9 is:

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5

24

20

none

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

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