Question # 1

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Unit matrix

Diagonal matrix

Nilpotent matrix

Zero matrix

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None

Cos 315°=

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0.707

0.5

1

0

If 0 < n < 1, n is a rational number, the number of terms in the expansion of (1 + X)ⁿare

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n + 1

2n

Infinitely many

2n²

The equation of the line with gradient 1 passing through the point (h, k) is

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Y = x + k - h

Y = k/h x + 1

Y = x + h - k

Ky = hx - 1

The number of diagonals of a six sided figure are

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9

6

12

3

A vector of magnitude zero is called

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Position vector

Null vector

Free vector

None of these

The magnitude of a vector can never be

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Zero

Negative

Positive

Absolute

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A < G < H

A > G > H

A < G > H

A > G < H

The sum of the series 1+5+9+13+17+21+25+29 is

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140

130

120

110

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p < r

p > r

p + r < 0

p - r < 0

The multiplicative inverse of -1 in the set {1-, 1} is

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1

-1

+1

0

The conic is a parabola if

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e < 1

e > 1

e = 1

e = 0

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0 (Zero) is

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An irrational number

A rational number

A negative integer

A positive number

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An equation

Linear equation

Rational fraction

Identity

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