the average price of set of 8 pens is rupees 30. the average price of 5 of those pens is rupees 15. find the average price of remaining three pens???
if you know the answer then only answer if you don't know then don't answer anything pleeeeeeeeease
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Answer:
total cost 8×30=240
5×15=75
(240-75)/3
165/3=55
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