Question

express as p by q form
1.25 on 25 bar

Answer 1

Refer to the above attachment !!

The p/q form of 1.25 bar 25 is 124/99 .

Answer 2

Let 1.25 bar=x............(1)

100x =125.2525........(2)

Now,

Subtract 2 from 1

Therefore,

99x=124

x=$\frac{124}{99}$

That is, 1.25 bar=  $\frac{124}{99}$