elitmus
Maths Puzzle
Numerical Ability
A number x is written in base b such that sum of its digit is 9 and non of the digit is 0 if 2<=b>=9 find the maximum value of the decimal equivalent
Read Solution (Total 4)
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- total no=0,1,2,3,4,5,6,7,8,9
(.....)base b
maximum value decimal eqvlnt.so resltnt
no is formed with no 1 to 9 and sum should be 9.
ans-621
- 10 years agoHelpfull: Yes(3) No(0)
- Y cnt take 9 digit no.?
111111111
So decimal equivalent 1*9^8+1*9^7+.........+1*9+1
I.e 1*(9^9-1)/9-1
Is it write guys??? - 10 years agoHelpfull: Yes(2) No(1)
- why 3 digit no ....why not 2 digit
- 10 years agoHelpfull: Yes(1) No(0)
- if u take 2 digit no then u cant get maximum decimal equivalnt number bro
- 10 years agoHelpfull: Yes(0) No(0)
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