Mathematics Standard 9>Chapter 1 - Set Language>Exercise>Q 5

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IMPORTANT

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If $A = {x, y, z}$ , then the number of non-empty subsets of $A$ is

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Important Questions on Set Language

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9th Tamil Nadu Board

IMPORTANT

Mathematics Standard 9>Chapter 1 - Set Language>Exercise>Q 6

Which of the following is correct?

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9th Tamil Nadu Board

IMPORTANT

Mathematics Standard 9>Chapter 1 - Set Language>Exercise>Q 8

If

B - A

is

B

, then

A \cap B

is

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9th Tamil Nadu Board

IMPORTANT

Mathematics Standard 9>Chapter 1 - Set Language>Exercise>Q 10

If

n (A) = 10

and

n (B) = 15

, then the minimum and maximum number of elements in

A \cap B

is

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IMPORTANT

Mathematics Standard 9>Chapter 1 - Set Language>Exercise>Q 11

If

A = {\emptyset}

and

B = P (A)

, then

A \cap B

is

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9th Tamil Nadu Board

IMPORTANT

Mathematics Standard 9>Chapter 1 - Set Language>Exercise>Q 12

In a class of

50

boys,

35

boys play Carrom and

20

boys play Chess, then the number of boys who play both games is

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IMPORTANT

Mathematics Standard 9>Chapter 1 - Set Language>Exercise>Q 13

If

U = {x : x \in ℕ

and

x < 10}, A = {1, 2, 3, 5, 8}

and

B = {2, 5, 6, 7, 9}

, then

n [(A \cup B)^{'}]

is

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9th Tamil Nadu Board

IMPORTANT

Mathematics Standard 9>Chapter 1 - Set Language>Exercise>Q 15

Which of the following is true?

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IMPORTANT

Mathematics Standard 9>Chapter 1 - Set Language>Exercise>Q 16

If

n (A \cup B \cup C) = 100, n (A) = 4 x, n (B) = 6 x, n (C) = 5 x, n (A \cap B) = 20, n (B \cap C) = 15, n (A \cap C) = 25

and

n (A \cap B \cap C) = 10

, then find the value of

x

.