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A lady goes for shopping she bought some shoestrings, 4 timmes the no.of shoestrings, she bought pins & 8 times handkerchiefs. she paid each item with their count as each piece's cost. she totally spent 3.24ruphow many handkerchiefs did she buy?

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There are 5 persons who have won top 5 places in an event olympics one of them asks all the 5 regareding their positions they reply as a: I am not the last b: c is in third place c: e is behind a d: b is in 1st place e: d is not the firstfind positions in order. There is a couple & They have many children. 7 of them dont eat spinach. 5 of them dont eat carrot.6 of them dont eat beans.4 of them dont eat either spinach or carrot.2 of them eat neither spinach r beans.3 of them eat neither carrot r beans & 1 dont eat spinach, carrot r beans.how many children r there in total