If 35% of a number is 175, then what percent of 175 is the number?

Correct Answer: None of these
Let the number be x35% of x = 175⇒35x100  = 175⇒x = 500Again,y% of 175 = 500⇒175y100 = 500⇒y = 20007∴y = 285·71% Hence, the as. is 'None of these'