Exam word problems
Salt water, speed, work rate and counting cases, in the shape aptitude tests ask them.
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Example
Example
Example · Standard
300 g of salt water at 9% is poured into 700 g at 12%. How strong is the mixture?
Mixtures, journeys, shared work and counting.
Two steps · Mixing two solutions, coming towards each other, two workers together, order counted
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6 questions · No time limit
- Questions answered
- 0 / 6
- Active time
- 0:00
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Name the unknown, write the thing that does not change, and solve one equation.
On by default unless you turn it off. Saved choices are kept. Shares starts, completions, replays and error categories. For ChatGPT visits, starts and completions may include the first QuickenBrain page and country. No answers, drawings or names.
How this data is usedHelp
Every question comes from one of four families: salt water concentration, distance and speed and time, work rate, and counting cases. The numbers are chosen so the answer is a whole number or one decimal place. The five choices are five amounts a step apart in the same unit. Each one is the answer to a question of this kind. Work the answer out before you read them. The review shows the equation in words, then the steps. This practice drills the format these tests use. It is not affiliated with any test and it is not a validated assessment.
Each round has six questions and no time limit. Choosing an answer locks it. Review the steps, then move to the next question. Finish all six to save the round. Active time includes reviewing the steps, but does not count time when this page is hidden. Speed does not affect your score.
Use Tab and Enter or Space to choose an answer. The number keys also select answers, except when another control is focused. After an answer, Enter goes to the next question.
Original practice puzzles, not a standardized assessment.
About this practice
For anyone sitting an aptitude test. Name the unknown, write down the thing that stays the same, then solve.
Learn a method
Set up the equationReport a problem
On by default unless you turn it off. Saved choices are kept. Shares starts, completions, replays and error categories. For ChatGPT visits, starts and completions may include the first QuickenBrain page and country. No answers, drawings or names.
How this data is used