43rd B.P.S.C. (Pre) 1999
Set $(x : x = x +1)$ is
aSet of real number✓ Correct
bSet of complex number
cSet of prime number
dEmpty set
Explanation
For any value of $x$, the value of $(x : x = x +1)$ is real.
general-mental-ability
For any value of $x$, the value of $(x : x = x +1)$ is real.