In thoraipakkam the door numbers of the houses are precisely all 4 digit numbers that sum to 8 The difference

i think ans is ans is : a (6993)
largest 4 digit num in which the sum of digits is 8 is 8000
similarly smallest 4 digit num in which sum of digits is 8 is 1007
8000-1007=6966
11 years agoHelpfull: Yes(12) No(1)
sorryyy 8000-1007=6993
11 years agoHelpfull: Yes(5) No(0)
its not 7992,as 0008 is not a 4 digit number.
so answer is 8000-1007=6993
11 years agoHelpfull: Yes(4) No(1)
8000-1007=6993
11 years agoHelpfull: Yes(2) No(0)
answer is 7992.
largest possible is 8000 and smallest is 0008.
8000-0008=7992
11 years agoHelpfull: Yes(2) No(6)
8000-1007 is 6993
11 years agoHelpfull: Yes(2) No(1)
8000-1007=6993
11 years agoHelpfull: Yes(1) No(1)
(a) 6993 as max 4 digit no. whose digits sum up to 8 is 8000 and min 4 digit no. that can be formed is 1007, so 8000-1007=6993
11 years agoHelpfull: Yes(1) No(0)
i think 7991
11 years agoHelpfull: Yes(0) No(3)
option=a
diffr between6-9=2 and 9-3=6
so 2+6=8.
other option gives 7-9=2 9-1=7 so 7+2=9
7-9=2 8-1=7 so 2+7=9
7-9=2 9-2=7 so 2+7=9
11 years agoHelpfull: Yes(0) No(1)

In thoraipakkam, the door numbers of the houses are precisely all 4 digit numbers that sum to 8. The difference between the largest and the smallest of the door numbers is
a) 6993
b) 7991
c) 7981
d) 7992