- A-9
- B-10
- C-18
- D-8
Step-by-Step Solution
Down: . Rest: 0. Up: . Final depth = -24 + 0 + 15 = -9 metres (9 m below start).
Answer: A) -9
A diver off the Goa coast descends 4 metres per minute for the first 6 minutes, then rests (no change) for 2 minutes, then rises 3 metres per minute for 5 minutes.
Taking the starting point as 0 and downward as negative, what is the diver's final depth?
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