(A) The set $E$ consists of all months in a year that have fewer than $31$ days.Months with $31$ days are: January,March,May,July,August,October,and D

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February,April,June,September,November

(A) The set $E$ consists of all months in a year that have fewer than $31$ days.Months with $31$ days are: January,March,May,July,August,October,and December.Months with $30$ days or fewer are: February ($28$ or $29$ days),April,June,September,and November.Therefore,$E = \{ \text{February, April, June, September, November} \}$.

Class 11 Mathematics Sets Basic of Set theory

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List all the elements of the following set:
$E = \{ x : x \text{ is a month of a year not having } 31 \text{ days} \}$

A
February,April,June,September,November
B
January,March,May,July,August,October,December
C
February,March,April,June,August,November
D
January,February,April,June,September,November

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Sets

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Basic of Set theory

State which of the following sets are finite or infinite:
$\{ x : x \in N \text{ and } x \text{ is odd} \}$

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List all the elements of the following set:
$D = \{ x : x \text{ is a letter in the word } \text{"LOYAL"} \}$

Easy

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Let $A = \{1, 2, \{3, 4\}, 5\}$. Which of the following statements is incorrect and why?
${1, 2, 5} \in A$

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In the set-builder notation (rule method),the null set is represented by:

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Set $A$ has $m$ elements and Set $B$ has $n$ elements. If the total number of subsets of $A$ is $112$ more than the total number of subsets of $B$,then the value of $m \times n$ is

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List all the elements of the following set:$E = \{ x : x \text{ is a month of a year not having } 31 \text{ days} \}$

Similar Questions

State which of the following sets are finite or infinite:$\{ x : x \in N \text{ and } x \text{ is odd} \}$

List all the elements of the following set:$D = \{ x : x \text{ is a letter in the word } \text{"LOYAL"} \}$

Let $A = \{1, 2, \{3, 4\}, 5\}$. Which of the following statements is incorrect and why?${1, 2, 5} \in A$

In the set-builder notation (rule method),the null set is represented by:

Set $A$ has $m$ elements and Set $B$ has $n$ elements. If the total number of subsets of $A$ is $112$ more than the total number of subsets of $B$,then the value of $m \times n$ is

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List all the elements of the following set:
$E = \{ x : x \text{ is a month of a year not having } 31 \text{ days} \}$

State which of the following sets are finite or infinite:
$\{ x : x \in N \text{ and } x \text{ is odd} \}$

List all the elements of the following set:
$D = \{ x : x \text{ is a letter in the word } \text{"LOYAL"} \}$

Let $A = \{1, 2, \{3, 4\}, 5\}$. Which of the following statements is incorrect and why?
${1, 2, 5} \in A$