1 1 vote $x$ is a whole number. If the only common factors of $x$ and $x2$ are $1$ and $x,$ then $x$ is ________. $1$ a perfect square an odd number a prime number Quantitative Aptitude nielit2017oct-assistanta quantitative-aptitude number-systems + – Lakshman Bhaiya 12.2k points 2.7k views answer comment Share Follow Print 0 reply Please log in or register to add a comment.
0 0 votes Option D. a prime number Madhav answered Sep 22, 2020 Madhav 3.6k points comment Share Follow 0 reply Please log in or register to add a comment.