18 pens and 30 pads: greatest number of identical complete kits?
Answer & explanation
Learn: Divisibility and integer structure6 kits.
All examsGMAT QuantFoundation path
View coverage GMAT Quant Flashcards & Study Review
Read 12 sample cards from the 80-card GMAT Quant foundation collection. Try recalling each answer before checking the explanation.
Version 2026-10-27 · Original foundation materials · No sign-up
What this collection covers
Quantitative Reasoning foundations: arithmetic and elementary algebra.
The cards preview selected ideas; they do not measure readiness for the whole examination. Your personal review schedule is available in the review tool.
Author-reviewed learning materials. Independent educator review is pending; question difficulty has not been calibrated with learner results. Check coverage and gaps before planning your preparation.
Sample flashcards, with answers
Cost is C=20+5h. What does 20 represent?
Answer & explanation
Learn: Fixed costs and break-even decisionsThe fixed fee in cost units.
What is (1/3) ÷ (1/3+1/4)?
Answer & explanation
Learn: Fractions as budgets and relationships4/7.
Solve x²−2x=24 with x>0.
Answer & explanation
Learn: Quadratic structure with restrictions6; the other algebraic root is −4.
A 20% markup then 20% discount: what net multiplier?
Answer & explanation
Learn: Price changes and simple interest0.96.
Greatest integer x with −3x>−12?
Answer & explanation
Learn: Budgets, bounds and integer decisions3.
Divide $70 in ratio 2:3:5. What does the second share receive?
Answer & explanation
Learn: Partnerships, mixtures and ages$21.
Arithmetic sequence starts 5,8,… What is term 4?
Answer & explanation
Learn: Sequences and accumulated totals14.
Equal time at 30 and 50 km/h: average speed?
Answer & explanation
Learn: Travel rates and relative motion40 km/h.
For f(x)=1/(x−2), which inputs make f(f(x)) undefined?
Answer & explanation
Learn: Read functions as instructions2 and 5/2; the inner function fails at 2, and its output equals 2 at 5/2.
A job takes 6 h for A, 3 h for B. Joint time?
Answer & explanation
Learn: Work, capacity and net rates2 hours.
How many integers lie in both closed intervals [3,8] and [5,10]?
Answer & explanation
Learn: Reason across feasible regions4: the intersection is [5,8], containing 5, 6, 7 and 8.
Use the cards as a recall routine
- Read the prompt and explain your answer before looking below it.
- Compare your reasoning with the saved answer, then revisit the linked lesson if a distinction is unclear.
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Sources and preparation route
These prompts and explanations are the site's original learning materials. The reference links below support the selected skills; they are not endorsements or official examination questions.