What number should replace the questionmark?47X55 X638592 X997325 – InterviewSolution

1.	What number should replace the questionmark?47X55 X638592 X997325
Answer» 47+8=55 and 55+8=63similarly, 85+7=92 and 92+7=99so, let the missing number be y and the term we need to add in it to make 73 be xso, 25+x=yy+x=73solve them to get, y=49( answer)

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