The number of boys in a class is 4/5 times the number of girls. Which one of the following numbers cannot represent the total number of children in the class ?  Choose the correct choice:  A) A)48  B) B)44  C) C)42  D) D)40  E) E)36
Explanation:   Let number of girls = x and number of boys = 0.8x.   Then, 0.8x + x = 1.8x = total number of students.   Thus, to find exact value of x, the total number of students must be divisible by 1.8.   Answer: 36
<result>E</result>
The number of boys in a class is 4/5 times the number of girls. Which one of the following numbers cannot represent the total number of children in the class ?