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1. A submarine is at a depth of -300 meters. It rises 120 meters. What is its new position?
2. A person loses ₹350 and then gains ₹150. What is his net gain or loss?
3. The temperature was -2°C in the morning. It rose by 7°C by noon. What is the new temperature?
4. A mountaineer descends 50 m and then ascends 120 m. What is the net change in height?
5. A lift is on floor -2 and goes up 5 floors. Which floor does it reach?
6. A football team gains 3 points, loses 5 points, and then gains 2 points. What's the total?
7. A diver is 25 m below sea level and dives another 15 m. What is his final position?
8. A man gains ₹120, then loses ₹50 and gains ₹30. What is his net gain?
9. An object moves 10 m forward, then 4 m backward. What's its final position from start?
10. A bird flies 100 m north, then 70 m south. What is its final position from start?
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