hard · Gre Quant
A box contains 5 red, 4 blue, and 3 green marbles, identical apart from color. Three marbles are drawn simultaneously at random (without replacement). What is the probability that the three marbles are all of different colors? Enter your answer as a fraction in lowest terms (numerator over denominator).
Sign up free to see the explanation and track your rank →
More Gre Quant practice
- DUAL-SCALE GRAPH: Helix Biotech — Headcount and Revenue per Employee, 2022–2026 Left axis:
- A store marks up a product by 20% over its cost, then during a sale discounts the marked p
- Solve for x: x - 5 = √(x - 3)
- Which of the following must be a factor of the integer n if n^2 is divisible by 72?
- Common information: n is an integer and 2ⁿ = k. Quantity A: 2^n+1 + 2^n+1 Quantity B: 2^n+
- 0 < a < b < 1. Quantity A: dfracab Quantity B: dfraca+1b+1
- A logistics firm reports monthly shipping cost and on-time delivery rate for one lane. The
- A fair six-sided die (faces 1 through 6) is rolled twice, and the two results are recorded