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प्रश्न
Describe the following sets in Roster form:
{x ∈ N : x is a prime number, 10 < x < 20};
उत्तर
Roster form:
In this form, a set is defined by listing elements, separated by commas, within braces {}.
{11, 13, 17, 19}
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संबंधित प्रश्न
Write the following set in roster form:
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12 ...... A
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\[\left\{ a, b \right\} \subset \left\{ a, \left\{ b, c \right\} \right\}\]
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\[\left\{ a, b, e \right\} \in A\]
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\[\left\{ a, b, c \right\} \subset A\]
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Write down all possible proper subsets each of the following set:
{1}.
Let A = {1, 2, 3, 4, 5, 6}. Insert the appropriate symbol ∈ or ∉ in the blank space:
0 ____ A
Let A = {1, 2, 3, 4, 5, 6}. Insert the appropriate symbol ∈ or ∉ in the blank space:
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There are 260 persons with skin disorders. If 150 had been exposed to the chemical A, 74 to the chemical B, and 36 to both chemicals A and B, find the number of persons exposed to Chemical A or Chemical B
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Answer the following:
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128 ∈ {y | the sum of all the positive factors of y is 2y}
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French = 17, English = 13, Sanskrit = 15 French and English = 09, English and Sanskrit = 4 French and Sanskrit = 5, English, French and Sanskrit = 3. Find the number of students who study French only
In a group of 50 students, the number of students studying French, English, Sanskrit were found to be as follows:
French = 17, English = 13, Sanskrit = 15 French and English = 09, English and Sanskrit = 4 French and Sanskrit = 5, English, French and Sanskrit = 3. Find the number of students who study at least one of the three languages
In a class of 60 students, 25 students play cricket and 20 students play tennis, and 10 students play both the games. Then, the number of students who play neither is ______.
If A and B are any two sets, then A – B is equal to ______.
