HELP ME I NEED HELP BECAUSE I DONT KNOW IT, PLEASE HELP​

You are cycling around europe with friends. you book into a hostel and you ask the owner what the ratio of men to women is currently staying there. there are 24 men and 6 women. what is the ratio of men to women in its simplest form?

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2