Today X is twice as old as Y and Y is 3 years younger than Z. If X, Y, and Z are all alive 4 years from today, which of the following must be true on that day. I. X is twice as old as Y II. Y is 3 years younger than Z III. X is older than Z
Choose the correct choice from the following options
A) I
B) II
C) I,II & III
D) III
E) II, III
Say Z age is 10   Y age is 7   X age is 14   After 4 years   Z age is 14   Y age is 11   X age is 28   i.e ) after 4 years   Y is 3 years younger than Z   X is twice as old as Y   X is older than Z   Answer : I,II &amp; III
<result>C</result>
Today X is twice as old as Y and Y is 3 years younger than Z. If X, Y, and Z are all alive 4 years from today, which of the following must be true on that day. I. X is twice as old as Y II. Y is 3 years younger than Z III. X is older than Z