A uniform metre scale is balanced at 60 cm mark, when weight of 5 gf and 40 gf are suspended at 10 cm mark and 80 cm mark respectively. Calculate the weight of the metre scale.
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A uniform metre scale is balanced at 60 cm mark, when weight of 5 gf and 40 gf are suspended at 10 cm mark and 80 cm mark respectively. Calculate the weight of the metre scale.
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