Question # 1

If the trace of matrix A is 5, then the trace of the matrix 3A is

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3/5

5/3

8

15

The number of 5-digit number that can be formed from the digits 1,2,4,6,8, when 2 and 8 are never together is

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72

48

144

20

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3x + 4 < 0 is

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inequality

equation

identity

not inequality

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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

Water seeps out of a conical filter at eh constant rate of 5 cm/sec. the height of the cone of water in the filter is 15 cm. the height of the filter is 20 cm and radius of the base is 10 cm. the rate at which the height of the water decreases is

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The only function which is both even and odd is

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f(x) =α

f(x) = x

f(x) =0

Both A & B

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Every natural number is

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A prime number

An irrational number

An integer

An even number

If S = {3,6,9,12.......}, then

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S = Four multiples of 3

S = Set of even numbers

S = Set of prime numbers

S = All multiples of 3

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