Question # 1

1+2+3+......+n=?

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n(n +1)/2

n +1/2

n(n +1)(2n +1)/6

n³

The set (Z, +) forms a group

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Function on B

Range

Domain

A into B

The value of x, and y, when (x+iy)²=5+4i

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X=2, y=-1

X=-2, y=1

X=2, y=-i

X=2, y=2

The common difference of the sequence 7,4,1......is

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1

-3

5

0

A relation in which the equality is true only for some values of the unknown variable is called

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An identity

An equation

A polynomial

Inverse function

Given eight points in a plane no three of which are collinear how many lines do the points determine?

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16

64

28

36

In general matrices do not satisfy

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Not a group

A group w.r.t. subtraction

A group w.r.t. division

A group w.r.t. multiplication

Sin-1 [-1/2] = ______.

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∏/3

-∏/6

-∏/3

∏/6

The graph of a quadratic function is

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Circle

Ellipse

Parabola

Hexagon

A point of a solution region where two of its boundary lines intersect is called

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Boundary

Inequality

Half plane

Vertex

Cos 315° =

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0.707

0.5

1

0

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NAT I General Science Mathematics MCQs With Answers

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