CAT Quantitative Ability Questions | CAT TIme, Speed, Distance and Work questions
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FundaMakers as a team has taken a painstaking step to bring you all the video solutions of Time And Work. asked in the Previous Year CAT exam. CAT question bank offered by FundaMakers is a power-packed topic-wise compilation of the entire CAT previous year questions. Questions from the Time And Work. topic are some of the most scoring questions in the QA section. Other than the formulaic knowledge, it also tests your clarity about the topic. To maximize your CAT score make use of FundaMakers CAT Question Bank. “Questions from CAT previous years” examination papers have been incorporated. Let’s get started with CAT Past Year Time And Work Questions.
CAT/2017.2
Question . 68
A tank has an inlet pipe and an outlet pipe. If the outlet pipe is closed then the inlet pipe fills the empty tank in 8 hours. If the outlet pipe is open then the inlet pipe fills the empty tank in 10 hours. If only the outlet pipe is open then in how many hours the full tank becomes half-full?
Explanatory Answer
Method of solving this CAT Quantitative Ability Question from TIme, Speed, Distance and Work question
Correct Option: A
Solution:
The time in which inlet pipe can fill the tank (x) = 8 hrs
Let the time in which outlet pipe can empty the tank = y
1/x – 1/y = 1/10
y = 40 hrs
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