Q9. Which pair of rational numbers lie between 1/5 and 2/5?

Rational number between 1/5 and 2/5 lies in the range of 200/1000 and 400/1000. So the ans is 262/1000and 275/1000.
Solution:
(1*200)/(5*200)=200/1000 and (2*200)/(5*200)=400/1000.
So the value lies between 200/1000 and 400/1000.