Sets, Relations and Functions - Arithmetic Aptitude Questions and Answers

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Set of rational numbers Q is a subset of

A.

The set of integers.

B.

set of Natural numbers.

C.

The set of Even integers.

D.

The set of Complex numbers.

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{X | x ε N Ʌ x < 1} is the

A.

Empty set.

B.

singleton set.

C.

a set with three points.

D.

The set with two points.

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P: 4 < 7, q: 6 > 11, conjuntion pɅ q is

A.

TRUE

B.

FALSE

C.

unknown

D.

not valid

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A compound statement of form " if p then q " is called an

A.

unknown

B.

conclusion

C.

implication

D.

hypothesis

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Disjunction of two statements p and q is denoted by

A.

p ˅ q

B.

p ← q

C.

p → q

D.

p ↔ q

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In a statement "if p then q" q is

A.

unknown

B.

conclusion

C.

hypothesis

D.

implication

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A subset of B x A is called a

A.

Relation from B to A

B.

Relation from A to B

C.

Relation in B

D.

Relation in A

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A conditional statemnt is regarded as false only antecedent is true and consequent is

A.

Known

B.

Unknown

C.

True

D.

False

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Number of subsets of a set of 4 elements

A.

2

B.

4

C.

8

D.

16