Q: A cup of tea is placed at a table, and the room temperature is 35 °C. The tea cools from 90 °C to 70 °C in 5 minutes. Which one among the following is the correct time taken for the tea to cool from 70 °C to 50 °C?
(a)5 minutes
(b)7 minutes
(c)9 minutes
(d)11 minutes
Correct Answer: (c)
The correct answer is (b): 7 minutes. Subject: Geography | Sub-topic: Atmosphere & Climatology Note: This answer was determined through AI-based research. Verify against the official answer key when available.