Method : 8's complement of a number is 1 added to it's 7's complement number.
1. Find 8's complement of 402
Note : 8's complement of a number is 1 added to it's 7's complement number.
7's complement of 402 is
Now add 1 : 375 + 1 = 376
2. Find 8's complement of 342
Note : 8's complement of a number is 1 added to it's 7's complement number.
7's complement of 342 is
Now add 1 : 435 + 1 = 436
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