Question # 1

What is the number of elements of the power set of { }

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0

1

2

3

If E = { } , then P(E)

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∅

{ }

{(2),(4),(6)....}

(∅)

The total number of subsets that can be formed out of the set {a, b, c} is

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1

4

8

12

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square root function

identity function

linear function

quadratic function

In a country, 55% of the male population has houses in cities while 30% have houses both in cities and in village. Find the percentage of the population that has house only in villages.

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45

30

25

50

The number of subsets of a set having three elements is

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4

6

8

none of these

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a constant function

linear function

quadratic funtion

none of these

The multiplicative inverse of x such that x = 0 is

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-x

does not exist

1/x

0

The set { {a,b} } is

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Infinite set

Singleton set

Two points set

Empty set

To each element of a group there corresponds ............. inverse element

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Two

One

No

Three

For any set X, X∪X is

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X

X'

Φ

Universal Set

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ECAT Mathematics Chapter 2 Set Function and Groups Online Test MCQs With Answers

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