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GMAT FocusQuantitative ReasoningWord Problems (Rates & Work)
Level 3 Trap Drill
Can you avoid the examiner's trap?Select an option to evaluate
Two inlet pipes, P and Q, can fill an empty reservoir in 6 hours and 8 hours, respectively, operating independently at their constant rates. A drain pipe, R, can empty the full reservoir in 12 hours at its constant rate. If all three pipes are opened simultaneously when the reservoir is empty, how many hours will it take to fill the reservoir completely?
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Practice More GMAT Focus Word Problems (Rates & Work) Questions

Take the interactive diagnostic drill with real-time distractor analysis, Desmos calculator, and SM-2 spaced repetition.

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More Word Problems (Rates & Work) Questions in GMAT Focus

Tier 3GMAT Focus

Working together at their respective constant rates, Pump A and Pump B can drain an industrial reservoir in 4 ...

Inspect distractor trap
Tier 3GMAT Focus

Is the integer $n$ divisible by 6? Statement (1): $n$ is divisible by 3. Statement (2): $n$ is divisible by 4...

Inspect distractor trap
Tier 2GMAT Focus

A municipal transit authority plans to reduce bus ticket prices by 20% to increase total fare revenue, arguing...

Inspect distractor trap
Tier 3GMAT Focus

Let $N = 2^4 \times 3^5 \times 5^2$. How many positive divisors of $N$ are multiples of 18, but NOT multiples ...

Inspect distractor trap
Tier 3GMAT Focus

If $n$ is a positive integer, what is the remainder when the integer $(2^{4n + 2} + 3^{4n + 1})$ is divided by...

Inspect distractor trap