Puzzle of the Day: 81
Given the following facts:
D is younger than F and older than G.
J is younger than C and older than E.
A is younger than I and older than C.
F is younger than B and older than H.
I is younger than G and older than J.
H is older than G.
Who is the Youngest?
From (1) G is younger than D and F. From (5) J is younger than I and G. From (2) E is younger than J and C. From above 3 deductions, E is younger than D, F, I, G, J and C. Also, from (3) C is younger than A and I. From (4) H is younger than F and B. From (6) G is younger than H. From above 3 deductions, G is younger than F, B and H. Also, C is younger than A and I. But as seen earlier, E is younger than G and C. Hence, E is the youngest.

0 comments