Question # 1

The centroid of a triangle divides each median in the ratio

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2 : 1

3 : 1

3 : 2

1 : 1

The solution set of the equation |3x + 2| = 5 is

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I and III quadrants

II and III quadrants

I and II quadrants

II and IV quadrants

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direction ratios

direction cosines

direction angles

none of these

Every irrational number is

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A real number

A prime number

A natural number

An integer

If A and B are two sets then any subset R of A x B is called

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relation on A

relation on B

relation from A to B

relation from B to A

The set of points {(x,y)|y = f(x),∀x∈} is called

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Relation

Graph of f

Function

All are correct

If in the expansion of (1+x)ⁿ, co-efficients of 2nd, 3rd and 4th terms are in A.P., then x=

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4

5

6

7

To each element of a group there corresponds ______ inverse element

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Two

One

No

Three

If n is any positive integer ,t hen 2+4+6+......+2 n=

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2ⁿ-1

2ⁿ+1

n²+1

n(n+1)

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