Question

4) Which of the following is an irrational number?

A)√121
49
B)3
9
C) 5
D) 289​

Answer 1

Answer:

i think so your question is wrong because all of them are rational no.

√121 is also a rational no. as √121 = 11

Answer 2

Answer:

Option A , B , C is irrational number

and D ) 289 is rational number of 17