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Question

In these questions, the symbols @, %, ©, $, and * are used with the following meaning as illustrated below.
P@Q means 'P is neither smaller than nor equal to Q'.
P%Q means 'P is neither greater than nor equal to Q'.
P©Q means 'P is not greater than Q'.
P$Q means 'P is not smaller than Q'.
PQ means 'P is neither smaller nor greater than Q'.
Assuming the given statements to be true, find which conclusions is definitely true?
Statements:
WD
Z©B
B$H
Conclusions:
I. HZ
II. B%W
  1. Only Conclusion I is true
     
  2. Neither Conclusion I nor II is true
  3. Only Conclusion II is true
  4. Both Conclusions I and II are true
  5. Either Conclusion I or II is true


Solution

The correct option is B Neither Conclusion I nor II is true
P @ Q = P > Q
P % Q= P < Q
P © Q = P Q
P $ Q = P  Q
PQ = P = Q
Statements: W = D, Z B, B  H
W = D, Z  H
Conclusions:
I. H=Z
II. B<W
Hence, neither Conclusion I nor II is true

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