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In a football team, 12 players are divided into three groups of 4 each and are given different jersey numbers numbering from 1 to 12 in such a way that the sum of the jersey numbers of each of the three groups is same. Find the sum of jersey numbers of each group.
A .  26
B .  34
C .  78
D .  Can’t be determined
E .  none of these
Answer: Option A
The question is about adding all the numbers from 1 to 12 and then dividing by 3. So, sum of numbers from 1 to 12: 12×132=78. So, sum of jersey numbers of each of the groups =783=26

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