Google Interview Question: multiply two two-digit number... | Glassdoor

Interview Question

Solutions Consultant Interview London, England (UK)

multiply two two-digit numbers together


Interview Answer

1 Answer


Let S= the set of nonnegative integers less than 10. Consider arbitrary elements (not necessarily distinct) a,b,c,d∈S but with nonzero elements a and c. Then (b×〖10〗^0+a×〖10〗^1 )=(b+10a) and (d×〖10〗^0+c×〖10〗^1 )=(d+10c) are two digits numbers; whose product is

Sikiru Adigun Sanni on Jun 3, 2015

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