Pearson IIT Foundation Mathematics Class 8>Chapter 12 - Sets>PRACTICE QUESTIONS COMPETITION WING>Q 24

EASY

8th Foundation

IMPORTANT

Earn 100

If $X ∆ Y = ϕ$ , then which of the following is true?

50% studentsanswered this correctly

Important Questions on Sets

HARD

8th Foundation

IMPORTANT

Pearson IIT Foundation Mathematics Class 8>Chapter 12 - Sets>PRACTICE QUESTIONS COMPETITION WING>Q 25

If

A Δ B = {1, 2, 3, 5, 7, 8, 9, 11, 13}

and

B = {4, 5, 6, 8, 11, 13}

, then find

A

.

MEDIUM

8th Foundation

IMPORTANT

Pearson IIT Foundation Mathematics Class 8>Chapter 12 - Sets>PRACTICE QUESTIONS COMPETITION WING>Q 26

If

n (P) = 13

, then for which of the following values of

n (Q)

may result in

n (P \cap Q)

being maximum?

MEDIUM

8th Foundation

IMPORTANT

Pearson IIT Foundation Mathematics Class 8>Chapter 12 - Sets>PRACTICE QUESTIONS COMPETITION WING>Q 27

If $A, B$ and $C$ are three non-empty sets, then which of the following is/are not true?

$(A) n (A \times B) = n (B \times C) \Leftrightarrow n (A) = n (C)$

$(B) A - (B \cap C) = (A - B) \cap (A - C)$

$(C) A \cup (B \cap C) = (A \cup B) \cap (A \cup C)$

$(D) (A \cap B) - C = (A - C) \cap (B - C)$

MEDIUM

8th Foundation

IMPORTANT

Pearson IIT Foundation Mathematics Class 8>Chapter 12 - Sets>PRACTICE QUESTIONS COMPETITION WING>Q 28

If

A

and

B

are two non-empty equivalent sets, then a possible value of

n (A \times B)

is

MEDIUM

8th Foundation

IMPORTANT

Pearson IIT Foundation Mathematics Class 8>Chapter 12 - Sets>PRACTICE QUESTIONS COMPETITION WING>Q 29

If

n (A \cup B) = 32, n (B) = 12 and n (A \cap B) = 5

, then

n (A) =

MEDIUM

8th Foundation

IMPORTANT

Pearson IIT Foundation Mathematics Class 8>Chapter 12 - Sets>PRACTICE QUESTIONS COMPETITION WING>Q 30

In a class of

75

students,

40

take milk,

50

take tea and

30

take both. How many students take neither milk nor tea?

HARD

8th Foundation

IMPORTANT

Pearson IIT Foundation Mathematics Class 8>Chapter 12 - Sets>PRACTICE QUESTIONS COMPETITION WING>Q 31

Which of the following is not true?

MEDIUM

8th Foundation

IMPORTANT

Pearson IIT Foundation Mathematics Class 8>Chapter 12 - Sets>PRACTICE QUESTIONS COMPETITION WING>Q 32

If

n (A \times B) = 24, n (B \times C) = 36 and n (B) = 3

, then

n (A \times C) =