A family uses 18 litres of water per day for a particular purpose. How much is used in 25 days?
- A.400 L
- B.425 L
- C.450 L ✓
- D.475 L
Explanation: 18 × 25 = 450 L.
Class 6 IMO Mathematics Olympiad practice · Data & Measurement · Units, Time & Money
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