Question
Pipes ‘A’ and ‘B’ can fill a tank in 9 hours and
12 hours, respectively. If pipe ‘C’ is opened along with pipes ‘A’ and ‘B’, then the tank gets filled in 9 hours. Find the time taken by pipe ‘C’ to empty (3/5) the part of the same tank.Solution
Let the capacity of the tank = 36 liters (lcm of 9 and 12) Efficiency of pipe ‘A’ = (36/9) = 4 liters/hour Efficiency of pipe ‘B’ = (36/12) = 3 liters/hour Efficiency of all the three pipes together = (36/9) = 4 liters/hour Efficiency of pipe ‘C’ = 4 – (4 + 3) = (-3) liter/hour {Negative sign shows that pipe ‘C’ is an outlet pipe} Required time taken = {(3/5) × 36)}/3 = 7.2 hours
In Excel typical worksheet has …. Number of columns
A half byte is know is
While studying about computer, we may came to know about the term QDR. Expand QDR?
A saved document is referred to as _________.
Word processing, spreadsheet, and photo-editing are examples of which type of software?
To print a document which shortcut is used?
Which of the following is a form of malware that encrypts a victim's files?
Which of the following Internet protocol specifies how data is exchanged over the Internet and how it should be broken into IP packets?
What happens when you press the "Insert" key on the keyboard?
Which sorting algorithm has a worst-case time complexity of O(n²)?
Relevant for Exams:
