Question

Q. PUZZLE a) I am the only rational number who does not have a reciprocal. b) We are 2 rational numbers who are additive inverse of each other but not reciprocals of each other. c) I am a rational number. Multiply me by 4 to get my reciprocal.

Answer 1

a-o(zero)

b-  1 & -1

c- 1/2as
let the number be x
then x*4=1/x
       x²=1/4
       x=1/2

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Answer 2

1. o
2. 1 and -1
3. 1/2