Question:

PSLE

A and B are two rectangular tanks. The base area of A is 80 cm^{2} while that of B is 50 cm^{2} . At first, A contained water to a height of 40 cm and B was empty, as shown.

A and B are two rectangular tanks. The base area of A is 80 cm

- What was the volume of the water in A at first?
- Rashid then poured some water from A to B. After that, the height of the water level in A was twice that in B. What was the new height of the water level in A? Round off the answer to 1 decimal place.

3 m

Level 3

A tank with a square base area of 121 cm^{2} is 60% filled with water. If 4 pails of water are poured into the tank, 756 cm^{3} of water would overflow. If 3 pails of water are poured into the tank, 128 cm^{3} of water would overflow. What is the height of the tank ? Give the answer to one decimal place.

3 m
A tank with a square base area of 121 cm