Plz solve numerical dont give me link Q 18 A uniform metre scale is balanced at 40 cm mark, - Physics - Force Work Power and Energy

Question

Plz solve numerical dont give me link
Q 18 A uniform metre scale is balanced at 40 cm mark, when weights
of 20 gf and 5 gf are suspended at 5 cm mark and 75 cm mark
respectively Calculate the weight of metre scale
[Ans 52 5 gf]

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Plz solve numerical dont give me link Q.18. A uniform metre scale is balanced at 40 cm mark, when weights of 20 gf and 5 gf are suspended at 5 cm mark and 75 cm mark respectively. Calculate the weight of metre scale. [Ans. 52.5 gf]

Plz solve numerical dont give me link
Q.18. A uniform metre scale is balanced at 40 cm mark, when weights of 20 gf and 5 gf are suspended at 5 cm mark and 75 cm mark respectively. Calculate the weight of metre scale.
[Ans. 52.5 gf]