Question 121
The average of the first 7 integers in a series of 13 consecutive odd integers is 37. What is the average of the entire series ?
Solution
Average of first 7 consecutive odd integers in the series = 37
=> 4th integer is 37
Thus, series of integers = 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55
Average of 13 integers is the 7th integer = 43
=> Ans - (D)
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