Question

Which one of the following is a rational number:
(a) √3
(b) √2
(c) 0
(d) √5

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Answer 1

c) 0

Step-by-step explanation:

0 can be written as 0/1, which is a rational number.

but other three numbers are square root of numbers who are not perfect square, so they are irrational number.

Rational number :-

number which can be written as p/q form, where p & q are integers and q ≠ 0.

hope it helps.