1.

Fill in the blanks. (i) O is neither   P   nor   Q   . (ii)   R   has/have no reciprocal. (iii) The rational numbers   S   and   T   are equal to their reciprocal.

A. P Q R S T  Positive Negative 1 1/2 -1/2                
B.        P Q R S T  Integer Rational 0 -1 0                
C.        P Q R S T  Positive Negative 0 1 -1                
D.        P Q R S T  Natural Integer -1 1 -1
Answer» D.        P Q R S T  Natural Integer -1 1 -1


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