EA Cheat Sheet 2026

The 30 highest-yield EA facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. A fund earns simple interest. $20,000 invested earns $3,600 over 3 years. What is the annual interest rate AND the total value after 3 years? → Rate=6%, Value=$23,600
2. A train travels from A to B. How long does the trip take? (1) The distance is 240 miles. (2) The train's average speed is 80 mph. → Both statements together are sufficient, but neither alone.
3. What is the average of five numbers? (1) The sum of the five numbers is 75. (2) Four of the five numbers are 12, 14, 16, and 18. → Each statement alone is sufficient.
4. A bar chart shows quarterly sales: Q1=$200K, Q2=$250K, Q3=$220K, Q4=$300K. Which quarter showed the greatest percentage increase over the previous quarter? → Q2
5. Inequalities How many integers n are there such that 1<4n+4<24? → 5
6. A company's net income is $1.2M. The tax rate is 25% and interest expense is $200K. What is operating income (EBIT) AND earnings before tax (EBT)? → EBIT=$1.8M, EBT=$1.6M
7. Is x > 0? (1) x² = 16. (2) x³ = 64. → Statement (2) alone is sufficient.
8. A city claims that adding bike lanes reduced car traffic by 15%. A critic argues this is misleading. Which data point would best support the critic's position? → A highway bypass was completed in the same year.
9. Is n an even integer? (1) n/2 is an integer. (2) 3n is even. → Each statement alone is sufficient.
10. A pie chart shows market share: Company A = 40%, B = 30%, C = 20%, others = 10%. The total market is $500M. What is Company B's revenue? → $150M
11. A company claims that installing ergonomic chairs reduced employee sick days by 20%. Which of the following, if true, most weakens this conclusion? → The company also introduced a wellness program at the same time.
12. What is the value of 3x − 2y? (1) x = 5. (2) y = 4. → Both statements together are sufficient, but neither alone.
13. Memo 1: total project budget = $1.2M. Memo 2: Phase 1 uses 35% of budget. Memo 3: Phase 2 uses $480K. How much remains for Phase 3? → $300K
14. A store has 200 items. 30% are on sale at 50% off the original $40 price. What is the sale price per item AND total revenue if all items sell? → Sale price=$20, Total=$9,600
15. How old is Sarah? (1) Sarah is twice as old as Tom. (2) Tom is 15 years old. → Both statements together are sufficient, but neither alone.
16. A store sells items at a 40% markup over cost. An item costs $35. What is the selling price AND the profit per unit? → Price=$49, Profit=$14
17. A bar chart shows monthly website traffic: Jan=10K, Feb=12K, Mar=11K, Apr=15K, May=14K, Jun=18K. What is the average monthly traffic? → 13,333
18. A line graph shows revenue and expenses. They are parallel lines with revenue always above expenses. What does this indicate about profit? → Profit is constant.
19. A two-line chart shows projected vs. actual costs over 6 months. The actual line is consistently below the projected line. What does this indicate? → Costs are being managed better than expected.
20. A car depreciates 20% in Year 1 and 15% in Year 2. It was purchased for $30,000. What is the value after Year 1 AND after Year 2? → After Y1=$24K, After Y2=$20.4K
21. What is the perimeter of triangle ABC? (1) AB = BC = 8. (2) The triangle is equilateral. → Both statements together are sufficient, but neither alone.
22. What is the value of a² − b²? (1) a + b = 10. (2) a − b = 4. → Both statements together are sufficient, but neither alone.
23. Exponents & Radicals (Data Sufficiency) Is –4≤x≤4 ? (1) x2+y2=16 (2) x2+y≤16 → Statement (1) ALONE is sufficient but statement (2) ALONE is not sufficient.
24. A table shows project data sorted by 'Priority' (High, Medium, Low). What type of sort is applied to the Priority column? → Custom categorical sort
25. A price increases from $120 to $150. Demand falls from 200 to 170 units. What is the percent price increase AND the price elasticity of demand? → Price increase=25%, Elasticity=-0.6
26. A store's profit increased by what percent last year? (1) Profit increased by $50,000. (2) Last year's profit was $250,000. → Both statements together are sufficient, but neither alone.
27. A blend of two coffees: Type A costs $8/lb and Type B costs $5/lb. A 10 lb blend costs $6.50/lb total. How many pounds of each type are in the blend? → A=5 lbs, B=5 lbs
28. A table shows headcount by year for 5 offices. To find which office had the most consistent growth, an analyst should sort by: → Standard deviation of annual growth rates ascending
29. Premises: All managers completed leadership training. Maria did not complete leadership training. What can be concluded about Maria? → Maria is not a manager.
30. For all integers n , the function f is defined by f(n)=(a)6n, where a is a constant. What is the value of f(1) ? (1) f(2)=64 (2) f(3)=16 → EACH statement ALONE is sufficient to answer the question asked.