- A12 days
- B11 days
- C13 days
- D10 days
Step-by-Step Solution
. Sn = . S(34)=187, S(37)=222. So on day 12 the total leak first exceeds 200.
Answer: A) 12 days
A water tank leaks. On day 1, 2 litres leak out; each day 3 more litres leak than the previous day.
The tank held 200 litres. After how many full days does the tank become empty (cumulative leak first reaches or exceeds 200)?
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