Question

The average of k numbers a1 a2 and a3 is 123.if the sum of these numbers is 2214 then the value of k is

Answer 1

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Answer 2

The average of k number is 123

The sum of the k number is 2214

Find the value of k:

Average = Total sum ÷ number of terms

Here, the average is 123, the total sum is 2214 and the number of terms is k

123 = 2214 ÷ k

123k = 2214

k = 2214 ÷ 123

k = 18

Answer: The value of k is 18