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থিম নির্বাচন

আপনার পছন্দের থিম বেছে নিন।

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 acquainted with all the twenty-six others.
B. Each person in the party who has a different number of acquaintances.
C. There is a person in the party who has an odd number of acquaintances.
D. In the party, there is on set of three mutual acquaintances.
সঠিক উত্তরঃ B. Each person in the party who has a different number of acquaintances.
Explanation: