what is the average of seven numbers preeceding 7 each decreasing by 1 upon 2 give the answer by method
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the 7 numbers are 6.5, 6, 5.5, 5, 4.5, 4, 3.5
sum of these numbers is 35
total numbers are 7
hence average= 35÷7=5
hence answer is 5
sum of these numbers is 35
total numbers are 7
hence average= 35÷7=5
hence answer is 5
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