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Question

9 is a rational number. It is equal to
  1. 4.5
  2. 27
  3. 3
  4. 18

A
4.5
B
18
C
3
D
27
Solution
Verified by Toppr

9, we can simplify the square root to 3 which is a natural number, an integer and also can be written as 31 so a rational number.
Therefore, B is the correct answer.

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