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A SEE-SAW.

Amongst tho correspondence received from readers recently was a letter from "Rex" (no, address), in which he asks for (.lie method of finding the weight of ;i boy who, playing alone on n see-saw, managed to get a balance by placing certain weights at opposite ends of the plank, one part of which was longer than the other. Let us take an illustration. Supposiing that at the end opposite to where the lad sat twenty-five wooden blocks of uniform weight made an exact balance, Iml when their positions were changed I'iily sixteen of the same blocks affected llic same result. If these blocks each weighed one pound, plus three-quarters of its full weight, how many pounds did the b-y weigh? h'ov .Ilex's information the method of arriving at the solution will appear next iSalurdity. It is very simple.

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https://paperspast.natlib.govt.nz/newspapers/EP19280609.2.237

Bibliographic details

Evening Post, Volume CV, Issue 135, 9 June 1928, Page 20

Word Count
140

A SEE-SAW. Evening Post, Volume CV, Issue 135, 9 June 1928, Page 20

A SEE-SAW. Evening Post, Volume CV, Issue 135, 9 June 1928, Page 20