2020 3marks Nan Hua P6 Paper2 SA2

P6 / Nan Hua / 2020 / SA2 Prelims / Paper 2 – Q12 [3 marks]

Question:

Tap A can fill a tank to its brim in 20 minutes. Tap B can fill the same tank to its brim in 30 minutes. Both taps are turned on at the same time to fill the tank together. How long will it take to fill the tank to its brim?

Solution:

Comment here if you find this solution useful or need more clarification! If you got other questions you need help in, send them to sgprimaths@gmail.com.