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The average of 8 consecutive natural numbers is 38.5. What is the largest of these 8 numbers?
Answer & Solution
Correct Answer:
Option
C
$$\eqalign{
& x + x + 1 + \,.......\, + x + 7 = 38.5 \times 8 = 308 \cr
& 8x + 28 = 308 \cr
& x = \frac{{308 - 28}}{8} \cr
& x = \frac{{280}}{8} = 35 \cr
& {\text{Lergest number}} = x + 7 \cr
& = 35 + 7 \cr
& = 42 \cr} $$
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