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An undisclosed number of friends

An undisclosed number of friends gather for dinner. Each person shakes each other persons hand exactly once. How many handshakes
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2. asked by Heaven
3. 564 views
An undisclosed number of friends gather for dinner. Each person shakes each other persons hand exactly once. How many handshakes
1. 1 answer
2. asked by Heaven
3. 1,861 views
On day, Jane invites friends to her party. She asks each of those friends to visit and invite of their friends the next day, and
1. 1 answer
2. 105 views
A woman has 11 close friends. Find the number of ways she can invite 5 of them to dinner where: (a) there are no restrictions.
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2. asked by Haimanot
3. 149 views
Priscilla has a number riddle for her friends she wants to guess what number she’s thinking of she tells him that her number
1. 1 answer
2. 67 views
Priscilla has a number riddle for her friends. She wants them to guess what number she is thinking of. She tells them that her
1. 3 answers
2. 61 views
Priscilla has a number riddle for her friends. She wants them to guess what number she is thinking of. She tells them that her
1. 1 answer
2. 54 views
Priscilla has a number riddle for her friends. She wants them to guess what number she is thinking of. She tells them that her
1. 1 answer
2. 50 views
Priscilla has a number riddle for her friends. She wants them to guess what number she is thinking of. She tells them that her
1. 1 answer
2. asked by Sir Quandel Dingel II
3. 73 views
Priscilla has a number riddle for her friends. She wants them to guess what number she is thinking of. She tells them that her
1. 1 answer
2. asked by banks
3. 91 views