majuli buys some items at the rate of rs. 40 per item. the particular item is part of an overall collection and the value is linked to the number of items that are already on the market. So majuli sells the first item for rs. 4 second item for rs. 8 third for rs. 12 and so on. If she wants to make an overall profit of at least 80% what is the minimum number of items she should sell?
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35 ...
is the answer .....
valli33:
but the ans is 35
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