2019 3marks P6 Paper2 SA2 Temasek

P6 / Temasek / 2019 / SA2 Prelims / Paper 2 – Q10 [3 marks]

Question:

Tap A can fill a tank in 4h.
Tap B can fill the same tank in 5h.
(a) What fraction of the tank can both taps fill in 1h?
(b) How long would it take both taps, which are turned on at the same time, to fill up the tank? (Leave your answer in hours.)

Solution:

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