A tank loses 5 litres of water every hour due to a leak. If it starts with 200 litres, how much water remains after 8 hours?
- A.150
- B.155
- C.160 ✓
- D.165
Explanation: Water lost in 8 hours = 5×8=40 litres. Remaining = 200−40 = 160 litres.
Class 6 IMO Mathematics Olympiad practice · Arithmetic · Multi-step Word Problems
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