2/3rd of the boys and 3/4th of the girls of a school participate in a function. If the no.of participating students is 550, out of which 150 are girls, what is the total no.of students in the school?	Choose the correct choice from the following options:
A) 500	B) 600	C) 800	D) 900	E) 1200

Rationale: let total number of boys be x and total number of girls be y . y = 400 = > x = 600 and ^ = i 50 = > y = 200 now , x + y = 800 c
Answer: C