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  • INDIAN NAVY SAILORS Numerical Ability Study Material

Digitization help student to explore and study their academic courses online, as this gives them flexibility and scheduling their learning at their convenience. Kidsfront has prepared unique course material of Numerical Ability Relations and Functions for INDIAN NAVY SAILORS student. This free online Numerical Ability study material for INDIAN NAVY SAILORS will help students in learning and doing practice on Relations and Functions topic of INDIAN NAVY SAILORS Numerical Ability. The study material on Relations and Functions, help INDIAN NAVY SAILORS Numerical Ability students to learn every aspect of Relations and Functions and prepare themselves for exams by doing online test exercise for Relations and Functions, as their study progresses in class. Kidsfront provide unique pattern of learning Numerical Ability with free online comprehensive study material and loads of INDIAN NAVY SAILORS Numerical Ability Relations and Functions exercise prepared by the highly professionals team. Students can understand Relations and Functions concept easily and consolidate their learning by doing practice test on Relations and Functions regularly till they excel in Numerical Ability Relations and Functions.


Relations and Functions
A and B are two non-empty sets then any subset of A*B is called ___________ from A to B.

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



Answer
Correct Answer Is : Relation
Solution Is :
If R is a relation and (x,y) Є R then it is denoted by ___________.

a) XRy
b) YRx
c) X, y
d) XЄy



Answer
Correct Answer Is : XRy
Solution Is :
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



Answer
Correct Answer Is : Image of x under R
Solution Is :
True or false: the set of all second component of the ordered pairs in a relation R is called the range of the relation R.

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



Answer
Correct Answer Is : TRUE
Solution Is :
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



Answer
Correct Answer Is : Pre-image of y under R
Solution Is :
Which are the types of relation from following?

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



Answer
Correct Answer Is : All of these
Solution Is :
Which is not the types of relation from following?

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



Answer
Correct Answer Is : Many-many relation
Solution Is :
The set of all first component of the ordered pairs in a relation R is called the _________ of the relation R.

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



Answer
Correct Answer Is : Domain
Solution Is :
The set of all second component of the ordered pairs in a relation R is called the _________ of the relation R.

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



Answer
Correct Answer Is : Range
Solution Is :
If R is a relation from A to B then set B is called the ___________ of the relation R.

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



Answer
Correct Answer Is : Co-domain
Solution Is :