Question

Insert an arithmetic mean between 5 and 105. *

Answer 1

Answer:

5+105

=120/2

= 60

Step-by-step explanation:

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Answer 2

Answer:

We know a_{n} = a_{1} + (n - 1)

⇒ 24 = 8+ (5-1)d

⇒248 4d

⇒ 16 = 4d

⇒d=4

Now, insert the terms using d. Therefore, the series is 8, 12, 16, 20, 24.