ISEE Upper Level Quantitative Reasoning Flashcards: Rates And Averages

Study Rates And Averages in ISEE Upper Level Quantitative Reasoning with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

A pipe fills a tank in $5$ hours and a drain empties it in $10$ hours. How long to fill with both open?

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ANSWER

$10$ hours. Net rate is filling minus draining, then time is reciprocal of net rate.

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ISEE Upper Level Quantitative Reasoning: Measurement and Unit Conversion

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What this deck covers

This deck focuses on Rates And Averages, giving you a quick way to review the definitions, rules, and examples that matter most for ISEE Upper Level Quantitative Reasoning.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 25Practice questions for this set

A pipe can fill a swimming pool in 6 hours. A drain can empty the same pool in 8 hours. If both the pipe and drain are operating simultaneously, how long will it take to fill the empty pool?

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