246,462 views
37 votes
37 votes
Which greatest digit should replace m so that the number 10m6415 is divisible by 11

User Zequez
by
3.0k points

2 Answers

18 votes
18 votes

Answer:

Explanation:

Sum of digits of rank even - sum of digits of rank odd must be a multiple of 11

(5+4+m+1)-(1+6+0)=11*k

10+m-7=11*k

3+m=11*k

m=8

Proof: 1086415/11=98765

User Kamela
by
3.5k points
11 votes
11 votes
The answer is to ur question is 8
User Sanchit Gupta
by
2.4k points
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