সব প্রশ্নে ফিরে যান
Math
Twenty-seven persons attended a party . Which one of the following statements can never be true ?
A) There is a person in the party who is acquainted with all the twenty-six others .
B) Each person in the party has a different number of acquaintances
সঠিক উত্তর
C) There is a person in the party who has an odd number of acquaintances
D) In the party, there is no set of three mutual acquaintances .