I.S.C MATHEMATICS FOR CLASS XI>Chapter 1 - Sets>EXERCISE FOR REVISION>Q 11

MEDIUM

11th ICSE

IMPORTANT

Earn 100

If $N$ be the number of subsets of the set formed with the letters of the word 'BLOSSOM', then

50% studentsanswered this correctly

Important Questions on Sets

EASY

11th ICSE

IMPORTANT

I.S.C MATHEMATICS FOR CLASS XI>Chapter 1 - Sets>EXERCISE FOR REVISION>Q 12

If

A = \{x : x \in N, x < 5\}

and

B = \{x : x \in N and x^{2} < 18\}

, then:

EASY

11th ICSE

IMPORTANT

I.S.C MATHEMATICS FOR CLASS XI>Chapter 1 - Sets>EXERCISE FOR REVISION>Q 13

If

A = {1, 2, 3, x, y} and B = {x, y, p, q, 3}

, then

A - B =

MEDIUM

11th ICSE

IMPORTANT

I.S.C MATHEMATICS FOR CLASS XI>Chapter 1 - Sets>EXERCISE FOR REVISION>Q 14

If

A and B

are two finite sets and

A - B = A

, then

MEDIUM

11th ICSE

IMPORTANT

I.S.C MATHEMATICS FOR CLASS XI>Chapter 1 - Sets>EXERCISE FOR REVISION>Q 15

If

U = \{2, 3, 4, 5, 6, 7\}, A = \{x : x = 2 n, n \in N, n < 4\}

and

B = \{x : x < 10, x is a prime number\}

, where

U

is the universal set, then

(A - B)' =

MEDIUM

11th ICSE

IMPORTANT

I.S.C MATHEMATICS FOR CLASS XI>Chapter 1 - Sets>EXERCISE FOR REVISION>Q 16

A

and

B

are two finite sets such that

n (A) = 8, n (B) = 15

and

n (A \cup B) = 18

, then

n (A) - n (A \cap B) =

is:

MEDIUM

11th ICSE

IMPORTANT

I.S.C MATHEMATICS FOR CLASS XI>Chapter 1 - Sets>EXERCISE FOR REVISION>Q 17

If

A = \{1, 3, 5, . . ., 17\}

and

B = \{2, 4, 6, . . . ., 18\}

and

N

be the universal set, then

A' \cup \{(A \cup B) \cap B'\} =

.

EASY

11th ICSE

IMPORTANT

I.S.C MATHEMATICS FOR CLASS XI>Chapter 1 - Sets>EXERCISE FOR REVISION>Q 18

If

A

and

B

are two disjoint sets, then

n (A \cup B)

is equal to:

EASY

11th ICSE

IMPORTANT

I.S.C MATHEMATICS FOR CLASS XI>Chapter 1 - Sets>EXERCISE FOR REVISION>Q 19

If $A and B$ are any two sets, then $A \cap (A \cup B) =$