Question

Thirty clowns are in clown car. If all of the clowns in

the car are either happy clowns or sad clowns, all of
the following are possible ratios of sad clowns to
happy clowns EXCEPT:
a).1:2
b). 1:1
c). 3:7
d). 4:1
e). 5:2

Answer 1

E, 5:2

Explanation:

1:2

1/3 x 30 = 10 . 2/3 x 30 = 20

1:1

1/2 x 30 = 15

3:7

3/10 x 30 = 9 7/10 x 30 = 21

4:1

4/5 x 30 = 24 . 1/5 x 30 = 6

5:2

5/7 x 30 = 21.43 (this is a decimal so it does not work)