The sign of a number changes when its reciprocal is taken.

True

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Solution

The correct option is B
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The reciprocal of a number $^{'} a^{'}$ is $\frac{1}{a}$ . So, the sign doesn't change.

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Similar questions

Does the sign of a number change when its reciprocal is taken?

Does the sign of a number change when it's reciprocal is taken?

State true or false. A natural number, when increased by 12, equals 160 times its reciprocal. Such a number is 8.

Fill in the blanks :
(i) The product of two positive rational numbers is always___
(ii) The product of two negative rational numbers is always___
(iii) If two rational numbers have opposite signs then their product is always___
(iv) The reciprocal of a positive rational number is ___ and the reciprocal of a negative rational number is___
(v) Rational number 0 has___ reciprocal.
(vi) The product of a rational number and its reciprocal is ___
(vii) The numbers ___and ___are their own reciprocals.
(viii) If M is reciprocal on N,then the reciprocal of N is___

Q. A positive number when decreased by

4

becomes

21

times its reciprocal. The number is

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The sign of a number changes when its reciprocal is taken.

The correct option is B Flase The reciprocal of a number ′a′ is 1a. So, the sign doesn't change.

The correct option is B
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The reciprocal of a number $^{'} a^{'}$ is $\frac{1}{a}$ . So, the sign doesn't change.