A) 12
B) 9
C) 6
D) 2
Correct Answer: B
Solution :
Any number between 100 and 1000, may be written as \[100\,\,m+10\,\,n+k\] where, \[0<m\le 9,\]\[0<n\le 9\]and \[0<k\le 9\] \[\therefore \]\[(100\,\,m+10\,\,n+k)-(m+n+k)=99\,\,m+9\,\,n\] \[=9\,\,(11\,\,m+n)=\]multiple 9You need to login to perform this action.
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