A puzzle..

Find a 7 digit number which has its own address...
i.e.
see this 4 digit number(not the number required) ex 1210

here 1 should say it has total 1 zero in the number
2 in second place say it has 2 one in the number .
1 in third pace says it has 1 two in the number
and 0 in 4 place says it has zero 3 in the number.

and so on...

Try for 5,6,7,8 digit number...

8 Answers

1
gagar.iitk ·

for 5→21200
for 6→_ _ _ _ _ _
for 7→3211000
for 8→42101000
for 9→521001000
for 10→6210001000
for 11.................................

sorry i am editing my ans for six digit and i think no addresing no exist for six digit
if i am mistaken plz help me to correct it

1
Philip Calvert ·

hey priyam i think you solved this using programming first
??
is that so ??
if it is im going to wrtie one to solve this and tell you ans later

33
Abhishek Priyam ·

:)

1
Philip Calvert ·

hey gagar bhaiyya seems to have given some great answers

33
Abhishek Priyam ·

No just some thinking and tukka...

5-10 mins thinking :p

33
Abhishek Priyam ·

yes if u get any 1 of them u get the pattern and can do all

[1]

1
gagar.iitk ·

you can use a constraint eq in the question that sum of numbers i equals to number of digits given

33
Abhishek Priyam ·

hmm............

okie

[1]

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