Question : 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?
Option 1: 37
Option 2: 39
Option 3: 41
Option 4: 43
Correct Answer: 43
Solution : Given: That average of 7 consecutive odd integers = 37 Fourth odd number = 37 The average of 13 consecutive terms is the 7 th term. So, 7 th term = 4 th term + 3 × 2 ⇒ 7th term = 37 + 6 = 43 Hence, the correct answer is 43.
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Question : 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?
Question : The average of five consecutive odd numbers is 27. What is the product of the first and the last number?
Question : The average of $n$ observations is 40. If one observation of value 80 is added, then the average of all the observations is 41. What is the value of $n$?
Question : Directions: Which of the following numbers will replace the question mark (?) in the given series? 35, ?, 40, 47, 45, 53
Question : Directions: Which number will replace the question mark (?) to complete the given series? 85, 64, 51, 44, 41, ?
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