Question

prove 0 is rational no.

Answer 1

Yes 0 is a rational number.A rational number is the one which can be expressed in the form of p/q, where q is not equal to 0. As 0 can be written as 0 = 0/1,

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Answer 2

0 is an integer and all integers are rational numbers.
rational numbers are the numbers that can be written in form of p/q. so 0 can also be written in form of p/q.
0/1,0/2,0/3 etc
hope you have understand this