Question

Write the set in Roaster Form:

(d) $\left\{\text{x: x is an odd natural number between 10 and 20}\right\}$

Answer 1

Steps: Writing the set in Roaster Form
Odd natural numbers between $10$ and $20$ are $11,13,15,17$ and $19.$​

​Hence, the roster form of given set is $\{11,13,15,17,19\}$.