Question

find a rational number between 0 and 1/2.​

Answer 1

Rational number between 0 to 1/2

1/2 can also be written as 0.5

Rational number between 0 to 0.5

It could simply be---

0.1,0.2,0.3 etc...

Answer 2

Starts from 0.1,0.2,0.3,0.4 and not 0.5 because it’s said BETWEEN