WAEC Mathematics 2017 Objective — Question 16
Question 16 of 50 from the West African Examinations Council (WAEC) Mathematics 2017 Objective paper, with the correct answer and a full explanation.
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The dimensions of a water tank are 13cm, 10cm and 70cm. If it is half-filled with water, calculate the volume of water in litres.
- A. A. 4.55 litresCorrect
- B. B. 7.50 litres
- C. C. 8.10 litres
- D. D. 9.55 litres
Explanation
Volume of tank = 13x10x70 = 9100cm3. Half-filled volume = 13x10x35 = 4550cm3. Since 1000cm3=1 litre, 4550cm3 = 4.55 litres.
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