Cardinality

Q.

Write the set $D=\left\{-3,-2,-1,0,1,2,3\right\}$ in set builder form

Q.

Cardinal number of the set $G=\{x:x\in N,5<x<9\}$ is __.

1. 3

2. 4

3. 5

4. 2

Q. If $P=\{x:xisletterintheword"PERMANENT"\}$, then find n(P).
[ 2 Marks]

Q.

If A = {2, 3, 5, 7}, then the cardinal number of set A is 5.

1. True
2. False

Q.

Write the cardinal number for the set $B=\left\{u,i,o,p,a,s,m\right\}$.

Q. Find the cardinality of the set $A=\left\{\right(x:x=5n,n\in W,n<4\}$.
[2 Marks]

Q. Represent the following set in set builder form.
B = {29, 31, 37, 41, 43, 47}
[1 Mark]

Q.

State cardinal number for following set.

$D=\{lettersofwordINTERNATIONAL\}$

Q.

Write the cardinal number for the set $D=\left\{6,7,8,9,10,11,12,46\right\}$.

Q. In an envelope there are some ₹ 5 notes and some ₹ 10 notes. Total amount of these notes together is ₹ 350 . Number of $₹5$ notes are less by 10 than twice the number of $₹10$ notes. Then find the number of ₹5 and ₹10 notes.

Q. If $\text{B}=\{d,e,f\}$, then the number of elements in the power set of $\text{B}$ is:

1. $0$
2. $1$
3. $8$
4. $4$