Roster Form

Q. In roster form representation of a set, order of elements does not matter.

1. True
2. False

Q. The set of all Integers less than $4$ can be written in Roster form as:

1. $\{-10,-9,-8,...,2,3,4\}$
2. $\{...,1,2,3,4\}$
3. $\{...,0,1,2,3\}$
4. $\{0,1,2,3\}$

Q. The set of roots of the equations $3x^2-5x-2=0$ can be written in roster form as

1. $\left(-\frac{1}{3},2\right\}$
2. $\left(-2,\frac{1}{3}\right\}$
3. $\left(-2,-\frac{1}{3}\right\}$
4. $(-\frac{1}{3},2)$

Q. If $Z$ is defined as the set of letters of the word $contract$, then the set can be represented in the Roster form as:

1. $Z=\{c,o,n,t,r,a,m\}$
2. $Z=\{c,o,n,t,r,a\}$
3. $Z=\{a,n,t,r,c,o\}$
4. $Z=\{c,o,n,r\}$

Q.

Which of the following pairs of sets are equal?

1. $P=\left\{0,1,2,3,4\right\},Q=\left\{x:xisawholenumberlessthan5\right\}$

2. $A=\left\{a,b,c,d\right\}B=\left\{p,q,r,s\right\}$

3. $M=\left\{daysoftheweek\right\}N=\left\{monthsoftheyear\right\}$

4. None of these