[" If all the numbers from "501" to "700" are written,what "],[" is the total number of times the digit "6" appears? "]

If all the number from 501 to 700 are written, what is the total number of xx the digit 6 apppars? 138quad (b) 139quad (c) 140141

Total number of 6-digit numbers in which all the odd digit appear is

Find the total number of 9 digit numbers having all different digits.

Total number of 6-digit numbers in which all the odd digits appear, is

Total number of 6-digit numbers in which all the odd digits appear, is

Write all three digit numbers that can be written using the digits 3,6,8 without repeating the digits.