Maths-
General
Easy

Question

Let R and S be two equivalence relations on a set A. Then,

  1. R union S is an equivalence relation on A  
  2. R intersection S is an equivalence relation on A  
  3. R minus S is an equivalence relation on A  
  4. None of these  

The correct answer is: R intersection S is an equivalence relation on A

Related Questions to study

General
Maths-

Let n be a fixed positive integer. Define a relation R on the set Z of integers by, a blank R blank b left right double arrow n blank vertical line blank a minus b. Then, R is not

Let n be a fixed positive integer. Define a relation R on the set Z of integers by, a blank R blank b left right double arrow n blank vertical line blank a minus b. Then, R is not

Maths-General
General
Maths-

The value of open parentheses A union B union C close parentheses intersection open parentheses A intersection B to the power of C end exponent intersection C to the power of C end exponent close parentheses to the power of C end exponent intersection C to the power of C end exponentis

The value of open parentheses A union B union C close parentheses intersection open parentheses A intersection B to the power of C end exponent intersection C to the power of C end exponent close parentheses to the power of C end exponent intersection C to the power of C end exponentis

Maths-General
General
Maths-

If A equals open curly brackets n colon fraction numerator n to the power of 3 end exponent plus 5 n to the power of 2 end exponent plus 2 over denominator n end fraction blank i s blank a n blank i n t e g e r blank a n d blank i t s e l f blank i s blank a n blank i n t e g e r close curly brackets comma then the number of elements in the set A comma is

If A equals open curly brackets n colon fraction numerator n to the power of 3 end exponent plus 5 n to the power of 2 end exponent plus 2 over denominator n end fraction blank i s blank a n blank i n t e g e r blank a n d blank i t s e l f blank i s blank a n blank i n t e g e r close curly brackets comma then the number of elements in the set A comma is

Maths-General
parallel
General
Maths-

In a class of 175 students the following data shows the number of students opting one or more subjects. Mathematics 100; Physics 70; Chemistry 40; Mathematics and Physics 30; Mathematics and Chemistry 28; Physics and Chemistry 23; Mathematics, Physics and Chemistry 18. How many students have offered Mathematics alone?

In a class of 175 students the following data shows the number of students opting one or more subjects. Mathematics 100; Physics 70; Chemistry 40; Mathematics and Physics 30; Mathematics and Chemistry 28; Physics and Chemistry 23; Mathematics, Physics and Chemistry 18. How many students have offered Mathematics alone?

Maths-General
General
Maths-

Let A be a set of compartments in a train. Then the relation R defined on A as a R b iff " a and b have the link between them”, then which of the following is true for R ?

Let A be a set of compartments in a train. Then the relation R defined on A as a R b iff " a and b have the link between them”, then which of the following is true for R ?

Maths-General
General
General

A first order reaction is 75% complete after 32 min. when was 50% of the reaction completed?

A first order reaction is 75% complete after 32 min. when was 50% of the reaction completed?

GeneralGeneral
parallel
General
General

 The rate constant for the first order reaction is 60 𝑠−1. How much time will it take to reduce the concentration of the reaction to 1/16 M value ?

 The rate constant for the first order reaction is 60 𝑠−1. How much time will it take to reduce the concentration of the reaction to 1/16 M value ?

GeneralGeneral
General
Maths-

If A equals open curly brackets 1 comma blank 2 comma blank 3 comma blank 4 comma blank 5 comma blank 6 close curly brackets comma then how many subsets of A contain the elements 2 comma blank 3 and 5 ?

If A equals open curly brackets 1 comma blank 2 comma blank 3 comma blank 4 comma blank 5 comma blank 6 close curly brackets comma then how many subsets of A contain the elements 2 comma blank 3 and 5 ?

Maths-General
General
Maths-

If relation R is defined as :
a R b if " a is the father of b ". Then, R blankis

If relation R is defined as :
a R b if " a is the father of b ". Then, R blankis

Maths-General
parallel
General
Maths-

If A equals open curly brackets 1 comma blank 2 comma blank 3 close curly brackets comma blank B open curly brackets 3 comma blank 4 close curly brackets comma blank C left curly bracket 4 comma blank 5 comma blank 6 right curly bracket. Then, A union left parenthesis B intersection C right parenthesis is

If A equals open curly brackets 1 comma blank 2 comma blank 3 close curly brackets comma blank B open curly brackets 3 comma blank 4 close curly brackets comma blank C left curly bracket 4 comma blank 5 comma blank 6 right curly bracket. Then, A union left parenthesis B intersection C right parenthesis is

Maths-General
General
Maths-

If R equals left curly bracket open parentheses a comma b close parentheses colon a plus b equals 4 right curly bracket is a relation on N comma then R is

If R equals left curly bracket open parentheses a comma b close parentheses colon a plus b equals 4 right curly bracket is a relation on N comma then R is

Maths-General
General
Maths-

Let A equals open curly brackets 1 comma blank 2 comma blank 3 close curly brackets comma B equals open curly brackets 3 comma blank 4 close curly brackets comma C equals left curly bracket 4 comma blank 5 comma blank 6 right curly bracket. Then, A union left parenthesis B intersection C right parenthesis is

Let A equals open curly brackets 1 comma blank 2 comma blank 3 close curly brackets comma B equals open curly brackets 3 comma blank 4 close curly brackets comma C equals left curly bracket 4 comma blank 5 comma blank 6 right curly bracket. Then, A union left parenthesis B intersection C right parenthesis is

Maths-General
parallel
General
Maths-

If A equals left curly bracket 4 comma blank 6 comma blank 10 comma blank 12 right curly bracket and R is a relation defined on A as “two elements are related iff they have exactly one common factor other than 1”. Then the relation R is

If A equals left curly bracket 4 comma blank 6 comma blank 10 comma blank 12 right curly bracket and R is a relation defined on A as “two elements are related iff they have exactly one common factor other than 1”. Then the relation R is

Maths-General
General
Maths-

Set builder form of the relation
R equals open curly brackets open parentheses negative 2 comma negative 7 close parentheses comma open parentheses negative 1 comma negative 4 close parentheses comma open parentheses 0 comma negative 1 close parentheses comma open parentheses 1 comma blank 2 close parentheses comma open parentheses 2 comma blank 5 close parentheses close curly brackets is

Set builder form of the relation
R equals open curly brackets open parentheses negative 2 comma negative 7 close parentheses comma open parentheses negative 1 comma negative 4 close parentheses comma open parentheses 0 comma negative 1 close parentheses comma open parentheses 1 comma blank 2 close parentheses comma open parentheses 2 comma blank 5 close parentheses close curly brackets is

Maths-General
General
Maths-

Let P equals open curly brackets open parentheses x comma y close parentheses vertical line x to the power of 2 end exponent plus y to the power of 2 end exponent equals 1 comma x comma y element of R close curly brackets. Then, P is

Let P equals open curly brackets open parentheses x comma y close parentheses vertical line x to the power of 2 end exponent plus y to the power of 2 end exponent equals 1 comma x comma y element of R close curly brackets. Then, P is

Maths-General
parallel

card img

With Turito Academy.

card img

With Turito Foundation.

card img

Get an Expert Advice From Turito.

Turito Academy

card img

With Turito Academy.

Test Prep

card img

With Turito Foundation.