Q.

The reciprocal of a positive rational number is .......... and the reciprocal of a negative ratonal number is .............

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a

Positive, Negative

b

Positive, Positive

c

Negative, Negative

d

Negative, Positive

answer is B.

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Detailed Solution

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Multplicaitve inverse of a rational number is that number which when mutiplied gives the product as 1. In order to get the product as positive 1 we need to have both the numbers of the same sign. Therefore, the reciprocal of a positive rational number is positive and the reciprocal of a negative ratonal number is negative.

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