How many ways in a round table 8 boys can sit....
1)If, Ron and Harry sit opposite site of the table?
2)Snape and Molfoy can't sit side by side?
Search found 2 matches
- Mon May 10, 2021 11:42 pm
- Forum: Higher Secondary Level
- Topic: combinatorix
- Replies: 1
- Views: 8093
- Sun May 09, 2021 11:24 pm
- Forum: Higher Secondary Level
- Topic: Counting Numbers with a Given Digit Sum
- Replies: 3
- Views: 19650
Counting Numbers with a Given Digit Sum
How many four-digit numbers are there with digit sum equal to \(10\)?
চার অঙ্কের কয়টি সংখ্যা আছে যাদের অঙ্কের যোগফল \(10\)?
চার অঙ্কের কয়টি সংখ্যা আছে যাদের অঙ্কের যোগফল \(10\)?