DSSSB · Mathematics
A and B can finish a task in 20 hours. B and C can do the same job in 30 hours, while A and C can complete it in 24 hours. They all work together for 8 hours. After that, A and C stop working. How many hours will B need to complete the rest of the task on his own?
- 16
- 24
- 32
- 48
A and B can finish a task in 20 hours. B and C can do the same job in 30 hours, while A and C can complete it in 24 hours. They all work together for 8 hours. After that, A and C stop working. How many hours will B need to complete the rest of the task on his own?
- 16
- 24
- 32
- 48
Answer and detailed solution are available in the protected study screen.
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