wrong (Question: 394526.0 )

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Rakesh kumar

· started a discussion

· 1 Months ago

wrong (Question: 394526.0 )

last m kewal a b tab work karengi tabhi tank full ho jayega

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LMT 01

· started a discussion

· 1 Months ago

A, B and C are three pipes attached to a cistern. A and B can fill it in 20 min and 30 min respectively, while C can empty it in 15 min. If A, B and C be kept open successively for 1 min each, how soon will the cistern be filled?

Options:

172 min

60 min

157 min

155 min

Solution:

Ans: (a)

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