the avarage price of 11 books is rs. 18.the avarage price of first 5 books is rs. 17 and last 5books is rs.20 what is the price of sixth books.
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average price of 11 books=18
sum of the average= 18×11=198
the average of first 5 no.=17
sum of the average=17×5=85
the price of six books=198-85=113
= 113/6=18.83
sum of the average= 18×11=198
the average of first 5 no.=17
sum of the average=17×5=85
the price of six books=198-85=113
= 113/6=18.83
ticktock66:
sumis wrong because 5 books 20 rupees is missing
please solve this sm correctly
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