What is the number of 5 digit numbers that can be formed using the digits 2,3,4,5,9 so that no digit is repeated?
120
45
60
240
The given five digits can be formed to make five digit numbers in P(5,5) ways = 5! ways = 120
The number of two digit even numbers that can be formed using the digits 3,4,5,6,7 where the digits can be repeated is