Challenge(01)/Number system Get link Facebook X Pinterest Email Other Apps - June 01, 2015 2^29 is a nine digit number whose all digits are different.Find the missing digit.(without solving the value of 2^29) Get link Facebook X Pinterest Email Other Apps Comments HimanshuOctober 7, 2016 at 5:04 AMSol. Rem (2^29/9)=5 0+1+.....+9-x=45-x Rem.[(45-x)/9]=5 (-x/9)=5 9-x=5 x=4 missing digit is 4. By himanshu suryawanshiReplyDeleteRepliesReplyAdd commentLoad more... Post a Comment
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Sol. Rem (2^29/9)=5 0+1+.....+9-x=45-x
ReplyDeleteRem.[(45-x)/9]=5 (-x/9)=5
9-x=5 x=4 missing digit is 4.
By himanshu suryawanshi