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AlgebraData analysisGeometry
Online exam question banksQue-Bank / Study architecture / 2026
Question banks for your next exam.
Choose from 11 exam tracks, including SAT, ACT, GRE, CPA, and PMP. Prepare with focused practice, detailed option-by-option explanations, and timed mock exams.
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SAT + PSAT · Illustrative question
A price rises from $80 to $100. What is the percent increase?
A20%
✓25%
C80%
Get the full explanation Your progress, by topic · sample
↗See where a little more practice could help.
Every option explained
The right answer is just the beginning.
Learn why an answer works, why the others don’t, and what to notice next time. Turn an incorrect answer into something useful.
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FocusTopic drills
PacingTimed practice
RehearseTimed mocks
The collection total includes optional add-on packs. The sample question and analytics shown here are illustrative.
A BETTER PRACTICE LOOPAnswer. Understand.
Answer. Understand.
Move forward.
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02
Find your “why.”
Check the reasoning behind your answer. Then explore the alternatives so the same mistake becomes easier to spot.
The useful part is the explanation.
Divide by the original value of $80. Using the new price gives 20% — the wrong starting point.
03
Know your next move.
Use topic accuracy to see what’s clicking and where you can focus your next practice session.
Algebra · Illustrative progress
LESS GUESSING. MORE GETTING IT.
Try one. See what sticks.
A correct answer feels good. Understanding it lasts longer. Choose an answer, check it, and explore the reasoning behind every option.
Question 01 / 01
A store increases the price of a backpack from $80 to $100. What is the percent increase in price?
Choose an option to begin.
Meet the “why.”
There’s a reason for the right answer.
And a lesson in the wrong ones.
EVERY OPTION, EXPLAINED
Start with the starting value.
The price increased by $20. A percent increase compares that change with the original price of $80.
($100 − $80) ÷ $80 × 100 = 25%
A20% uses the wrong base. Dividing $20 by the new price of $100 answers a different question.
B25% is correct. The $20 increase is one quarter of the original $80 price.
C80% compares the prices in reverse. $80 is 80% of $100, but that is not the increase.
D125% is the new price as a share of the old. Subtract the original 100% to isolate the 25% increase.
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Series 7 / SIE
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Find your focus.
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Try a sampleShowing 11 examsEach price is a one-time payment for one exam and 12 months of access. Counts show included plan questions; optional add-on packs are sold separately.
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SAT + PSAT Question Bank
Your goal, with a little more direction.
✓768 included questions
✓Every answer option explained
✓8 focused topic drills
✓1 included timed mock
✓Topic performance analytics
✓12 months of exam access
- 8 topic drills (670 questions)
- Core Practice Set (200-question sampler)
- Full-length Mock 1 — 98 questions, 134 min
One exam per purchase.
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Included question counts exclude repeated sampler questions. Optional add-on packs are sold separately.
Optional add-ons · sold separately
Challenge Booster · $19
The 100 hardest items from the topic drills, mixed across every domain.
Full-length Mock 2 · $19
Full-length Mock 2 — 98 questions, 134 min
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Can I practice just one topic?
Yes. Use untimed topic drills for focused practice, then the timed mocks included with your exam plan to practice pacing. Mock length and covered sections vary by exam; the plan details list exactly what is included.
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Every answer option is explained, so you can understand the correct reasoning and the mistakes behind the alternatives.
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