if 22.5 meters of a uniform iron rod weights 85.5 kg. what will be the lenghtof 22.8 kg of the same rod?
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Using unitary method,
Length of 85.5 kg of rod = 22.5 m
=> Length of 1 kg = 22.5/85.5 = 0.25 m (approx)
Length of 22.8 kg = 0.25 x 22.8 = 5.7 kg (approx)
Length of 85.5 kg of rod = 22.5 m
=> Length of 1 kg = 22.5/85.5 = 0.25 m (approx)
Length of 22.8 kg = 0.25 x 22.8 = 5.7 kg (approx)
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