Question

f the number of boys in a class are 8 times the number of girls, which value can never be the total number of students?

Answer 1

Answer:

Step-by-step explanation:

Let the grils are X, then boys are 8X, total = X+8X = 9X

So it should be multiple of 9

so the number which  is not a multiple of 9 never be a total number of students

Answer 2

Starting from office and walking at 4 km/hr a person reaches his home 5 minutes late. If he walks at 5 km/hr he will reach 4 minutes early. How far is his home from his office?