Question

) Among the integers from 1 to 10, 000, 000, 000 which are there more of: Those in

which the digit 1 occurs or those in which it does not occur? please prove

Answer 1

number without a 1

= 9^7
= 4,782,969

so number where no 1 occurs = 4,782,969
number where a 1 does occur = 10,000,000-4,782,969
= 5,217,031

Your conclusion ?