How many numbers of four digits greater than `2300` can be formed with the digits `0, 1, 2, 3, 4,5 and 6;` no digit being repeated in any number?

Number of even numbes greater than 300 that can be formed with the digits 1 , 2 , 3 , 4, 5 such that no digit being repeated is

How many even numbers of four digits can be formed with the digits 0,1,2,3,4,5 and 6 no digit being used more than once?

How many numbers of 4 -digit greater than 6,000 can beformed with the digits 3,4,5,6, 8? (No digit is repeated in any number.) How many of these numbers so formed are odd?

How many diffierent numbers greater than 5000 can be formed with the digits 0,1,5,9, no digit being repeated?