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Easy

Question

If $R$ is a relation from a set $A$ to a set $B$ and $S$ is a relation from $B$ to a set $C comma$ then the relation $S o R$

Is from $A$ to $C$
Is from $C$ to $A$
Does not exist
None of these

The correct answer is: None of these

Related Questions to study

If $A$ is a non-empty set, then which of the following is false?
$p blank colon$ There is at least one reflexive relation on $A$
$q blank colon$ There is at least one symmetric relation on $A$

If $A$ is a non-empty set, then which of the following is false?
$p blank colon$ There is at least one reflexive relation on $A$
$q blank colon$ There is at least one symmetric relation on $A$

If a set $A$ contains $n$ elements, then which of the following cannot be the number of reflexive relations on the set $A ?$

If a set $A$ contains $n$ elements, then which of the following cannot be the number of reflexive relations on the set $A ?$

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

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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 $5 ?$

If $n open parentheses A intersection B close parentheses equals 5 comma blank n open parentheses A intersection C close parentheses equals 7$ and $n open parentheses A intersection B intersection C close parentheses equals 3 comma$ then the minimum possible value of $n left parenthesis B intersection C right parenthesis$ is

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Let $R$ be a relation on the set $N$ of natural numbers defined by $n R m left right double arrow n$ is a factor of $m open parentheses i. e. blank n blank close vertical bar blank m right parenthesis.$ Then, $R$ is

Let $R$ be a relation on the set $N$ of natural numbers defined by $n R m left right double arrow n$ is a factor of $m open parentheses i. e. blank n blank close vertical bar blank m right parenthesis.$ Then, $R$ is

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If $A equals open curly brackets a comma b comma c comma l comma m comma n close curly brackets comma$ then the maximum number of elements in any relation on $A$ is

If $A equals open curly brackets a comma b comma c comma l comma m comma n close curly brackets comma$ then the maximum number of elements in any relation on $A$ is

If $X equals left curly bracket 4 to the power of n end exponent minus 3 n minus 1 blank colon n element of N right curly bracket$ and $Y equals open curly brackets 9 open parentheses n minus 1 close parentheses colon n element of N close curly brackets comma$ then $X union Y$ is equal to

If $X equals left curly bracket 4 to the power of n end exponent minus 3 n minus 1 blank colon n element of N right curly bracket$ and $Y equals open curly brackets 9 open parentheses n minus 1 close parentheses colon n element of N close curly brackets comma$ then $X union Y$ is equal to

Let $X$ be the set of all engineering colleges in a state of Indian Republic and $R$ be a relation on $X$ defined as two colleges are related iff they are affiliated to the same university, then $R$ is

Let $X$ be the set of all engineering colleges in a state of Indian Republic and $R$ be a relation on $X$ defined as two colleges are related iff they are affiliated to the same university, then $R$ is

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Let $X$ and $Y$ be the sets of all positive divisors of 400 and 1000 respectively (including 1 and the number). Then, $n left parenthesis X intersection Y right parenthesis$ is equal to

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parallel

For any three sets $A subscript 1 end subscript comma A subscript 2 end subscript comma A subscript 3 end subscript comma$ let $B subscript 1 end subscript equals A subscript 1 end subscript comma B subscript 2 end subscript equals A subscript 2 end subscript minus A subscript 1 end subscript$ and $B subscript 3 end subscript equals A subscript 3 end subscript minus open parentheses A subscript 1 end subscript union A subscript 2 end subscript close parentheses comma$ then which one of the following statement is always true

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If $n left parenthesis A intersection B equals 10 comma n open parentheses B intersection C close parentheses equals 20 right parenthesis$ and $n open parentheses A intersection C close parentheses equals 30 comma$ then the greatest possible value of $n left parenthesis A intersection B intersection C right parenthesis$ is

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Let $R$ be a relation from a set $A$ to a set $B comma$ then

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parallel

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