At the conclusion of a party, a total number of 28 handshakes were exchanged. Every person in the party shook hands with every other person who atended the party. What was the total number of persons who atended the party?
Let n be the number of people present. For every handshake, 2 persons are required. Since each handshake is between two persons, the total number of handshakes = nC2 =28 n! /{(n-2)! * 2!} = 28 n(n-1) = 56 So, n =8
Which command provides a bilingual environment?
What is online banking also called?
In LibreOffice Writer, which view shows all styles available?
What does cloud computing involve?
Which command is used to remove a directory in UNIX?
The first computer virus is ?
Which of the following are possible signs of a malware infection?
What is the minimum number of characters needed for a WiFi password?
Which memory type is directly accessed by the CPU to retrieve and store data?
Which type of software is designed to help users perform specific tasks?