Question

Sum of n numbers equals three digit number with identical digits

Answer 1

Answer:

n = 36

Sum = 666

Step-by-step explanation:

three digits numbers with identical digits  can be

111 , 222 , 333 , 444 , 555 , 666 , 777 , 888 , 999

Sum of n numbers = n(n+1) / 2

n(n+1)  =   222  , 444 , 666 , 888 , 1110 , 1332 , 1454 , 1776 , 1998

36*37 = 1332

n = 36  and sum = 666