On a day when I am in hurry to go to office, I have a fixed quantity of rice which was just cooked and kept in a bowl. In order to cool it quickly, which one of the following is the best option?
Let it be kept on the table in a room where there is no fan, no air conditioner
Let it be kept in a room with AC set at a temperature around 23 °C and a ceiling fan (or table fan) operating at slow speed
Let it be kept in a bowl of water (at room temperature) and operating a ceiling fan (or table fan) at full speed
Let it be kept in a bowl of water at room temperature only
Answer is Wrong!
Answer is Right!
This question was previously asked in
UPSC CDS-1 – 2024