Question # 1

Every real number is also a/an:

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integer

rational number

irrationalnumber

complexnumber

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A

B

If a matrix A is symmetric as well as skew symmetric, then:

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A is null matrix

A is unit matrix

A is triangular matrix

A is diagonal matrix

If set A = {1, 2, 3} and B = {1, 2, 3} then sets A and B are:

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not equal

equal

disjoint

overlapping

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0

i

-i

1

No. of arrangements of the letters of the word PAKPATTAN can be made, taken all together ?

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15130

15120

1512

none of these

If A is a square matrix, then A - A^t is:

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{1, 2, 3}

{5, 6, 7}

{4}

If ⁿP₂ = 30 then n = :

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5

6

2

3

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A.M between x - 3 & x + 5 is __________:

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x + 1

x - 1

2x + 2

none

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p is false and q is true

both p and q are false

p is true and q is false

both p and q are true

If z = x + i y = r (cos Θ + i sin Θ), then arg z is:

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tan Θ

cos²Θ + sin²Θ

r

Θ

In any triangle ABC, law of cosines is:

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degree of P(x) = degree of Q(x)

degree of P(x) < degree of Q(x)

degree of P(x) > degree of Q(x)

none of these

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A function whose domain is the set of natural numbers is called the:

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series

sequence

means

convergent

A dice is thrown. The probability to get an even number is:

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1

none of these

If P(x) is a polynomial of degree m and Q(x) is a polynomial of degree n, the quotient P(x) + Q(x) will produce a polynomial of degree:

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m . n, plus a quotient

m - n, plus a remainder

m ÷ n, plus a factor

m + n, plus a remainder

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1

0

2

3

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B

A

none of these

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