Question

2/5 of total number of students of a school came by car while 1/4 of students came by bus to school all the other students walk to school to which 1/3 walk on their own and the rest are escorted by their parents if 224 students came to school walking on their own how many students study in that school

Answer 1

(224*3)/(1-0.4-.25) = 1920