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7’s complement of 432 is _________________

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7's complement of 432 is ___________

(a) 432

(b) 543

(c) 345

(d) 777

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The correct option is (c) 345

For explanation: To find the 7’s complement of any number, we simply subtract 7 from each of the bits.

Here, 777-432=345. So, the 7’s complement is 345.
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