There should 4C3 = 4 such numbers where the numbers chosen for the 3 digit numbers aren't repeated. 257 579 792 925 + 2553.
How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 0, which are divisible by 5 and none of the digits is repeated?
If repetition of numbers is not allowed then how many numbers of five digits can be formed by using 1,2,3,4,5. If 4 is necessarily taken at hundred's place and 2 is not allowed at unit's place
Let S be the set of all 5 digit numbers formed by the digits 1, 2, 3, 4, 5 without repetition. What is the sum of all numbers in S?
