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Anil bought a 10 kg water-melon in Bangalore that had 99% water. After the water-melon was left outdoors for a day, it was 95% water. What was the weight of the dehydrated water-melon?


Options:
A .   9.6 kg          
B .   9.5 kg          
C .   2 kg         
D .   None of these    
E .   Cannot be determined.
Answer: Option C
:
C

Initially, there was 0.1 kg of dry part + 9.9 kg of water. After dehydration, 0.1 kg of dry part is 5% of total water-melon's weight. Hence, weight of dehydrated water-melon is 2 kg.



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