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Maths-

General

Easy

Question

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

${3}$
$\{1, 2, 3, 4\}$
${1, 2, 5, 6}$
${1, 2, 3, 4, 5, 6}$

The correct answer is: $left curly bracket 1 comma blank 2 comma blank 5 comma blank 6 right curly bracket$

Related Questions to study

If $A subscript 1 end subscript comma A subscript 2 end subscript comma horizontal ellipsis comma A subscript 100 end subscript$ are sets such that $n open parentheses A subscript i end subscript close parentheses equals i plus 2 comma A subscript 1 end subscript subset of A subscript 2 end subscript subset of A subscript 3 end subscript horizontal ellipsis subset of A subscript 100 end subscript$ and $not stretchy ⋂ from i equals 3 to 100 of A subscript i end subscript equals A comma$ then $n open parentheses A close parentheses equals$

If $A subscript 1 end subscript comma A subscript 2 end subscript comma horizontal ellipsis comma A subscript 100 end subscript$ are sets such that $n open parentheses A subscript i end subscript close parentheses equals i plus 2 comma A subscript 1 end subscript subset of A subscript 2 end subscript subset of A subscript 3 end subscript horizontal ellipsis subset of A subscript 100 end subscript$ and $not stretchy ⋂ from i equals 3 to 100 of A subscript i end subscript equals A comma$ then $n open parentheses A close parentheses equals$

If $A equals left curly bracket x blank colon x blank$ is a multiple of $blank 3 right curly bracket$ and,
$B equals left curly bracket x blank colon x blank$ is a multiple of $blank 5 right curly bracket$ , then $A minus B$ is

If $A equals left curly bracket x blank colon x blank$ is a multiple of $blank 3 right curly bracket$ and,
$B equals left curly bracket x blank colon x blank$ is a multiple of $blank 5 right curly bracket$ , then $A minus B$ is

Let $A$ be the set of all students in a school. A relation $R$ is defined on $A$ as follows:
$" a R b$ iff $a$ and $b$ have the same teacher”

Let $A$ be the set of all students in a school. A relation $R$ is defined on $A$ as follows:
$" a R b$ iff $a$ and $b$ have the same teacher”

parallel

In order that a relation $R$ defined on a non-empty set $A$ is an equivalence relation, it is sufficient, if $R$

In order that a relation $R$ defined on a non-empty set $A$ is an equivalence relation, it is sufficient, if $R$

Which of the following is an equivalence relation?

Which of the following is an equivalence relation?

Let $n open parentheses U close parentheses equals 700 comma blank n open parentheses A close parentheses equals 200 comma blank n open parentheses B close parentheses equals 300$ and $n open parentheses A intersection B close parentheses equals 100.$ Then, $n open parentheses A to the power of c end exponent intersection B to the power of c end exponent close parentheses equals$

Let $n open parentheses U close parentheses equals 700 comma blank n open parentheses A close parentheses equals 200 comma blank n open parentheses B close parentheses equals 300$ and $n open parentheses A intersection B close parentheses equals 100.$ Then, $n open parentheses A to the power of c end exponent intersection B to the power of c end exponent close parentheses equals$

parallel

The shaded region in the figure represents

The shaded region in the figure represents
Maths-General

Consider the following statements:
$p blank colon$ Every reflexive relation is symmetric relation
$q blank colon$ Every anti-symmetric relation is reflexive
Which of the following is/are true?

Consider the following statements:
$p blank colon$ Every reflexive relation is symmetric relation
$q blank colon$ Every anti-symmetric relation is reflexive
Which of the following is/are true?

The relation $R equals left curly bracket open parentheses 11 close parentheses comma open parentheses 22 close parentheses comma open parentheses 33 close parentheses comma open parentheses 12 close parentheses comma open parentheses 23 close parentheses comma left parenthesis 13 right parenthesis right curly bracket$ on set $A equals left curly bracket 12 comma 3 right curly bracket$ is

The relation $R equals left curly bracket open parentheses 11 close parentheses comma open parentheses 22 close parentheses comma open parentheses 33 close parentheses comma open parentheses 12 close parentheses comma open parentheses 23 close parentheses comma left parenthesis 13 right parenthesis right curly bracket$ on set $A equals left curly bracket 12 comma 3 right curly bracket$ is

parallel

On the set of human beings a relation $R$ is defined as follows:
$" a R b$ iff $a$ and $b$ have the same brother”. Then $R$ is

On the set of human beings a relation $R$ is defined as follows:
$" a R b$ iff $a$ and $b$ have the same brother”. Then $R$ is

If $A equals left curly bracket x comma blank y right curly bracket$ , then the power set of $A$ is

If $A equals left curly bracket x comma blank y right curly bracket$ , then the power set of $A$ is

If two sets $A$ and $B$ are having 99 elements in common, then the number of elements common to each of the sets $A cross times B$ and $B cross times A$ are

If two sets $A$ and $B$ are having 99 elements in common, then the number of elements common to each of the sets $A cross times B$ and $B cross times A$ are

parallel

In a set of ants in a locality, two ants are said to be related iff they walk on a same straight line, then the relation is

In a set of ants in a locality, two ants are said to be related iff they walk on a same straight line, then the relation is

Let $A equals left curly bracket x colon x blank$ is a multiple of 3 $right curly bracket$ and $B equals left curly bracket x colon x blank i s blank a blank m u l t i p l e blank o f blank 5 right curly bracket$ . Then, $A intersection B$ is given by

Let $A equals left curly bracket x colon x blank$ is a multiple of 3 $right curly bracket$ and $B equals left curly bracket x colon x blank i s blank a blank m u l t i p l e blank o f blank 5 right curly bracket$ . Then, $A intersection B$ is given by

In an office, every employee likes at least one of tea, coffee and milk. The number of employees who like only tea, only coffee, only milk and all the three are all equal. The number of employees who like only tea and coffee, only coffee and milk and only tea and milk are equal and each is equal to the number of employees who like all the three. Then a possible value of the number of employees in the office is

In an office, every employee likes at least one of tea, coffee and milk. The number of employees who like only tea, only coffee, only milk and all the three are all equal. The number of employees who like only tea and coffee, only coffee and milk and only tea and milk are equal and each is equal to the number of employees who like all the three. Then a possible value of the number of employees in the office is

parallel

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