St Nicholas 2025 P6 Maths Prelim — Paper 2 Q13c Solution

Paper 2 · Q13c · 1 mark · Volume of Cube and Cuboid

Question

For the fish tank, (c) The tap was turned on again at the same rate as before. How many more minutes did it take to fill the tank completely?

Answer: 8 1/3 min

Water still needed $= 20\text{ l}$. At $2.4\text{ l per minute}$, time $= 20 \div 2.4 = 8\frac{1}{3}\text{ min}$.

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