Let capacity of the tank = 18 litres (lcm of 6 and 9) Efficiency of pipe ‘A’ = (18/6) = 3 litres/hour Efficiency of pipe ‘B’ = (18/9) = 2 litres/hour Efficiency of all the three pipes together = (18/4.5) = 4 litres/hour Efficiency of pipe ‘C’ = 4 – (3 + 2) = (-1) litre/hour {Negative sign shows that pipe ‘C’ is an outlet pipe} Required time taken = {(2/3) × 18)}/1 = 12 hours
Read the following question and decide which of the statements is/are sufficient to answer the question.
Find the value of 'n'.
Statement...
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Statemen...
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Statem...
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Statement I : Rohit’s age is 28...
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Statement I: Average of the age of D and E is 47 years?
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