Elements of a Set

Q.

If $B=\{1,3,5,7,9,11\}$ Then which of the statments are correct?

1. $3\in B$

2. $11\in B$

3. $12\in B$

4. $4\in B$

Q.

If $P=\{2,4,6,8,10,12,14\}$, then which of the statments are correct?

1. $4\in B$

2. $10\in B$

3. $14\in B$

4. $18\in B$

Q.

Which of the following collections is not a set?

1. The vowels in the English alphabet

2. All natural numbers which divide 42

3. Names of 10 most renowned actors

4. Names of rivers in India

Q.

Which of the following is a set?

1. Collection of most tasty dishes in world

2. Team of 5 best basketball players

3. Collection of all boys in your class

4. The collection of 6 most talented dancers in India

Q. Let A={1, 2, 3, 4}, B={2, 4, 6} . Then the number of sets of C such that A intersection B is a subset of C is a subset of A union B is

Q.

If A={2, 4, 6, 8}, then 7 ___ A.

1. does not belong to

2. is a subset of

3. belongs to

4. is the superset of

Q. If the set A is defined as A = {x : x is a factor of 42 and is a prime number}. Then the number of elements in set A is ____ .

1. 3

Q. If U = {1, 2, 3, 4, 5} and A = {2, 5, 1}. The number of elements in a set A' is ___.

1. 5
2. 3
3. 2
4. 4

Q. The number of elements in the set {x : x is a letter of the word 'MISSISSIPPI'}, is ____ .

1. 4

Q.

Write the set $O=\left\{x:x=2n-1forn\in N\right\}$ in descriptive form.

Q. Fill in each of the place holders with the correct symbol > or <.
$78.23......69.85$

Q. Place commas correctly and write the numerals:
Seventy three lakh seventy five thousand three hundred seven.

Q.

A set is defined as a __________________.

1. well-defined collection of objects

2. collection of similar objects

3. collection of numbers

4. collection of any objects that need not be well-defined

Q.

The group of intelligent students in a class is __________.

1. not a well defined collection

2. a null set

3. a finite set

4. a well defined collection