Question

21. In a jar, 1/2 of the marbles are red, 1/4 are white, and 1/5 are blue. What fraction of
the marbles are neither red, white nor blue?
A. 19/20
B. 1/20
C. 15/20
D. 1/10​

Answer 1

Answer:

fraction of the marbles are neither red, white nor blue = 1 - 1/2 - 1/4 - 1/5

= 1 - (10 + 5 + 4)/20

= 1 - 19/20

= 1/ 20