Question

The prices of five books are Rs. 230 , Rs. 425, Rs. 740 , Rs. 280 and
Rs. 2500. Find the average price per books.
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Answer 1

Answer:

$average = \binom{sum}{count}$

$= 230 + 425 + 740 + 280 + 2500 \\ = 4175$

$\binom{4175}{5} = 835$

average =835