The capacity of a water tank is 1,800 litres. If the tank is in form
MATHEMATICS
WAEC 2009
The capacity of a water tank is 1,800 litres. If the tank is in form of a cuboid with base 600cm by 150 cm. Find the height of the tank
- A. 2cm
- B. 20cm
- C. 200cm
- D. 2000cm
Correct Answer: B. 20cm
Explanation
1 litre = 1000cm3
1800 litre = 1800 x 1000cm3
l x b x h = capacity
600 x 150 x h = 1800000
h = \(\frac{1800000}{600 \times 150}\)cm
h = 20cm
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