Question

48.Kate's class has between 40 and 51 students. Exactly of 75%of the students in her class have black book bags, and exactly 1/6 of students in her class do not have a book bag at all. How many students are in Kate's class?

Answer 1

exactly 75%=3/4 implies the number is a multiple of 4, so the candidates are 40,44,48

exactly 1/6 implies it is also a multiple of 6, so

48 students