Question

A rational number can always be written as p by q. Is it necessary that any number written as q by p is a rational number?​

Answer 1

Answer:

it is not necessary but some case p/q is not a rational number.

RATIONAL NUMBER

A rational number is any number that can be named in the form a/b where a and b are integers and b ≠ 0.

Step-by-step explanation:

Answer 2

Answer:

not necessary

Step-by-step explanation:

let p=0    q =1    now p/q = 0/1=0  is a rational number

but   q/p = 1/0   is not rational number

more over  it is not real number also