Question

1. Which of the following is not a rational
number?
A) 1
B) 1.3 C) 5 D) 19​

Answer 1

Here,

Here,Every number is a rational number.

Question could be:

Which of the following is not a natural/whole

number?

A) 1

B) 1.3 C) 5 D) 19

Answer:

B) 1.3

Answer 2

$\huge\boxed{\fcolorbox{yellow}{yellow}{B) \: 1.3}}$