• #### INDIAN NAVY SAILORS Numerical Ability Study Material

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a) Set
b) Relation
c) Function
d) None of these

a) XRy
b) YRx
c) X, y
d) XЄy

##### If R is a relation and (x,y) Є R then it is denoted by xRy. Where y is called __________ .

a) Pre-image of x under R
b) Image of x under R
c) Pre-image of y under R
d) Image of y under R

a) TRUE
b) FALSE
c) Maybe
d) None of these

##### If R is a relation and (x,y) Є R then it is denoted by xRy. Where x is called __________ .

a) Pre-image of x under R
b) Image of x under R
c) Pre-image of y under R
d) Image of y under R

##### Which are the types of relation from following?

a) One-one relation
b) Many-one relation
c) Into relation
d) All of these

##### Which is not the types of relation from following?

a) One-one relation
b) Many-one relation
c) Into relation
d) Many-many relation

a) Domain
b) Range
c) Co-domain
d) All of these

a) Domain
b) Range
c) Co-domain
d) All of these

a) Domain
b) Range
c) Co-domain
d) All of these