Question
Pipe ‘A’ and pipe ‘B’,
together can fill 20% of a tank in 7 hours while pipe ‘C’ takes 40 hours to empty it. Pipe ‘A’ and pipe ‘B’ were opened together. After 33 hours, pipe ‘C’ is also opened. Find the total time taken to fill the empty tank this way.Solution
In a certain code ‘PRECEDES’ is written as ‘OQDBFEFT’. How is ‘ULTIMATE’ written in that code?
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