Home
Class 11
MATHS
An n-digit number is a positive number w...

An n-digit number is a positive number with exactly `n` Nine hundred distinct n-digit numbers are to be formed using only the three digits `2, 5, and 7.` The smallest value of `n` for which this is possible is (a) `6` (b) `7` (c) `8` (d) `9`

Text Solution

AI Generated Solution

Promotional Banner

Similar Questions

Explore conceptually related problems

An n digit number is a positive number with exactly n digits. Nine hundred distinct n digit numbers are to be formed using only the three digits 2, 5 and 7. The smallest value of n for which is possible is

nine hundred distinct ndigit numbers are to be formed using only the three digit 2,5,7 .the smallest value of n for which is possible

The number of 6 digits numbers that can be formed using the digits 0, 1, 2, 5, 7 and 9 which are divisible by 11 and no digit is repeated is