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There is a leak in the bottom of a cistern...
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There is a leak in the bottom of a cistern. When the cistern is thoroughly repaired, it would be filled in 3 ½ hours. It now takes half an hour longer. If the cistern is full, how long will the leak take to empty the cistern?


a.24 hours
b.28 hours
c.21 hours
d.27 hours
 
Asked By : Bharath Kumar Categories : SBI BankSBI POPipes and Cisterns
  Answer:   a. 24 hours
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