दो पूर्णांकों का योग 47 है। यदि उनमें से एक पूर्णांक -24 है, तो दूसरा पूर्णांक ज्ञात कीजिए।

A diver was swimming at a depth of -30 meters below sea level. She then ascended 18 meters towards the surface. What is her new position relative to sea level?

The temperature in a city at 6:00 AM was -4°C. During the day, the temperature rose steadily and by 3:00 PM, it reached +9°C. What was the total rise in temperature during that time?