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Let the total capacity of the tank = L.C.M of 14 and 18 = 126 units So, efficiency of pipe 'A' alone = 126 ÷ 14 = 9 units/minute Combined efficiency of pipes 'A' and 'B' = 126 ÷ 18 = 7 units/minute So, efficiency of pipe 'B' alone = 7 - 9 = -2 units/minute (outlet) So, time taken by pipe 'B' alone to empty 50% of the cistern = (126 X 0.5) ÷ 2 = 31.5 minutes. Hence, option a.
A, B’s manager was sent to collect payment from B’s customers. A collects the payment but keeps with him. Which of the following options is correct?...
What is the period of limitation given in Schedule of Limitation Act for a Bill of exchange and a promissory note?
According to the Consumer Protection Act, what constitutes a "consumer dispute"?
Under the Delhi Special Police Establishment Act the Central Government _____________________________
Which of the following emergencies has been declared for the maximum time in India:
The doctrine of vicarious liability is applied when there is relationship between
Redemption is a right of?
The doctrine of “rarest of rare cases” was evolved by the Court in the case of:
Which of the statements are correct relating to the nature of shares or debentures of a company?
Among the following which pair of sections provide for the exception to the hearsay rule________.
