Question Number: #Com8966

N persons stand on the circumference of a circle at distinct points. Each possible pair of persons, not standing next to each other, sings a two-minute song one pair after the other. If the total time taken for singing is 28 minutes, what is N?


Options:
A.) 5
B.) 7
C.) 9
D.) None of the above


Answer is option : B

Question Related Topics:
Quantitative Ability
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