hard · GRE Quant
In a regional transit study, 45 participants are classified into groups algebra, geometry, statistics. The three group totals are 16, 20, and 20; the pairwise intersections are 5, 5, and 8, respectively; and 2 participants are in all three groups. Pairwise counts include those in all three. How many belong to at least one group?
- 40
- 2
- 18
- 56
- 38
Sign up free to see the explanation and track your rank →
More GRE Quant practice
- 0 < a < b < 1. Quantity A: dfracab Quantity B: dfraca+1b+1
- Which of the following must be a factor of the integer n if n^2 is divisible by 72?
- The average (arithmetic mean) of 5 distinct positive integers is 30. If the largest of the
- Solve for x: x - 5 = √(x - 3)
- Common information: n is an integer and 2^n = k. Quantity A: 2^n+1 + 2^n+1 Quantity B: 2^n
- A logistics firm reports monthly shipping cost and on-time delivery rate for one lane. The
- A store marks up a product by 20% over its cost, then during a sale discounts the marked p
- A fair six-sided die (faces 1 through 6) is rolled twice, and the two results are recorded