Question # 1

Which of the following is closure property w.r.to multiplications:

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a + b∈ R∀ a, b∈ R

a. b∈ R∀ a, b∈ R

a + b = b + a∀a,b∈ R

a.b = b.a∀a,b∈ R

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6cm²

12cm²

72cm²

36cm²

Every polynomial is _______ expression:

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Complex

Real

Rational

Irrational

Conjugate of -3 is:

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3

-3

-3i

3i

The bisector of the angles of a triangle are ________:

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Concurrent

Parallel

Congurent

Perpendicular

_________ has unit:

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length

width

area

ratio

Distance between the points (1,0) and (0,1) is:

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0

1

2

The logarithm of unity to any base is:

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1

10

e

0

If a line segment intersects the two sides of a triangle in the same ratio then it is ______ to the third side:

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Smaller

Larger

Parallel

Equal

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logp - logq

logp + logq

logq - logp

In two similar triangles ________ sides are proportional:

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Corresponding

Opposite

Both a and b

None of these

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Rational

Polynomial

Surd

Not a surd

The right bisectors of the three sides of n triangle are________:

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Congruent

Collinear

Concurrent

Parallel

Logarithms with base 10 are known as:

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Natural logarithms

Commonlogarithms

Both a and b

None of these

Factors of 25x²+16a²+40x

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5x+4

(5x+4)²

(5x+4)(5x-4)

(5x-4)²

The conjugate of 5+ 4i is:

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-5 +4i

-5 - 4i

5 - 4i

5 + 4i

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