The sum of the number of boys and girls in a school is 150. If the number of boys is x, then the number of girls becomes x% of the total number of students. The number of boys is 


(a) 
40 
(b) 
50 
(c) 
60 
(d) 
90 
The sum of the number of boys and girls in a school is 150. If the number of boys is x, then the number of girls becomes x% of the total number of students. The number of boys is 


(a) 
40 
(b) 
50 
(c) 
60 
(d) 
90 