Question # 1

The direction cosines of y-axis are

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1,0,0

0,1,0

0,0,1

1,1,1

For which of the following ordered pairs (s, t) is s + t > 2 and s - t < -3?

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(3, 2)

(2, 3)

(1, 8)

(0, 3)

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Which of the vectors have opposite direction?

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Both A and B

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(0, e)

(0, 1)

None

The magnitude of a vector can never be

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Zero

Negative

Positive

Absolute

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A vector of magnitude zero is called

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Position vector

Null vector

Free vector

None of these

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0

-2

1

4

The set {{a,b}} is

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Infinite set

Singleton set

Two points set

None

Which of the following is the subset of all sets?

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{1, 2,3}

{0}

In the expansion of (a + b)ⁿin every term the sum of the exponents of a and b is

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n

n + 1

2n - 1

2n + 1

The line joining (1, 3) to (a, b) has unit gradient then

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a-b = -2

a+b = 0

a-b + 5

2a+3b=1

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An equation

Linear equation

Rational fraction

Identity

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None of these

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