Question
P6.SP.JC.21061109-A1
PSLE
The figure shows an empty tank placed below two taps E and F. It takes 3 min to fill the tank with Tap E alone and 12 min Tap F alone.
  1. With only Tap E turned on, what fraction of the tank will be filled in 1 minute?
  2. Starting with an empty tank, how long does it take for both taps together to fill 112 of the tank? Give your answer in seconds.
3 m
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STUDENT

Primary 6 SPEED P6.SP.JC.21061109

03 May 2024, 02:16 AM

PSLE
The figure shows an empty tank placed below two taps E and F. It takes 3 min to fill the tank with Tap E alone and 12 min Tap F alone.
  1. With only Tap E turned on, what fraction of the tank will be filled in 1 minute?
  2. Starting with an empty tank, how long does it take for both taps together to fill 112 of the tank? Give your answer in seconds.
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