Free Practice Question
PS · Problem Solving
555-605
Work Rate Problems
If machine A can finish a task in 30 hours while machine B operates at half the speed of machine A, how long will it take machine B to complete the remaining work after machine A has worked for 10 hours?
Answer Choices
Sign in to reveal the correct answerA
15hrs
B
20hrs
C
30hrs
D
40hrs
E
60hrs
Reveal the correct answer
Sign in for free to check your answer and unlock the full explanation.
Track your performance and improve
Get detailed analytics, unlock full explanations, and move up difficulty tiers as you practice.
Explanation
Unlock the full explanation
Create a free account to reveal the correct answer, see the step-by-step explanation, and start tracking your GMAT progress.
Comments
1
Sign in to join the discussion
Y
YugeshApr 22, 2025
Greatt
Details
Difficulty
555-605
Type
PS
Category