To which subsets of the real numbers does the number (square root) 42 belong?
A. whole numbers,natural numbers, integers
B.irrational numbers
C. rational numbers
D. whole numbers,integers,rational numbers
The correct answer is option B.i.e irrational numbers. Because sqaure root 42 is a number that is not a rational number. Also, it is not a natural number, nor a whole number. This is purely an irrational number.