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CUET
General Test
Numerical Ability
Average
What is the average of the first 14 positive even numbers?
16
14
15
14.5
Sum of n even number = n(n+1)
Average of n even number = \(\frac{n(n+1)}{n}\) = n + 1
Average of the first 14 even number = 14 + 1 = 15