medium · GMAT Quant
Machine X can produce 100 units in 4 hours, and Machine Y can produce 100 units in 6 hours. Both machines work together at their constant rates.
How many hours will it take to produce 250 units?
- 10 hours
- 5 hours
- 4.8 hours
- 6 hours
- 6.25 hours
Sign up free to see the explanation and track your rank →
More GMAT Quant practice
- Including both endpoints, how many distinct integer price points are in this range?
- Which of the following expressions must result in a positive value?
- Which property of arithmetic justifies that first step?
- Which of the following must also be an even integer?
- Which of the following inequalities correctly represents this range?
- Which of the following includes the number 0?
- How many unique meal combinations can a customer create?
- What is the probability that the lightbulb is functional?