Direction: Read  the following  information carefully  and  answer the  question that follow.
Six  compound are being tested for possible use in a new anti-position,  'Sweet 'N' Deadly'.
I. U is  sweeter than V  and more  deadly  than Z.
II. V is sweeter than Y  and less deadly  than Z.
III. W is  less sweet than X and  less  deadly  than U.
IV. X is less  sweet and more  deadly  than Y.
V. Y is  less  sweet and more  deadly than U.
VI. Z is sweeter than U and less deadly  than W.
- 
					 Which is the most deadly?
 
- 
                        
- Z
 - W
 - Y
 - X
 
 
Correct Option: D
As per question for deadly,
U is more deadly than Z
1. U > Z.
V is less deadly than Z.
2. V < Z.
W is less deadly than U.
3. W < U.
X is  more deadly than Y.
4. X > Y.
Y is more deadly than U.
5. Y > U.
Z is less deadly than W.
6. Z < W.
Now from 1 and 2,
7. U > Z > V 
from 7 and 5,
8. Y > U > Z > V 
from 4 and 8,
9. X > Y > U > Z > V 
from 3, 6 and 9,
X > Y > U > W > Z > V 
 Effectiveness  (deadly) X,  Y, U, W,  Z, V
Compound X is the most deadly.