25kg : 20g = 50kg : 40g


1kg = 1000g

25kg = 25000g


25kg: 20g = 25000g:20g = 2500:2 = 1250:1


50kg = 50000g


50kg:40g = 50000g:40g = 5000:4 = 2000:2 = 1000:1


Hence FALSE


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