A liquid initially at 75^(0)C cools to 55^(0)C in 12.5 minutes and to 45^(0)C in 10 minutes. Which of the following temperatures is not that of the surroundings

A liquid initially at 75^(0)C cools to 55^(0)C in 12.5 minutes and to

1.	A liquid initially at 75^(0)C cools to 55^(0)C in 12.5 minutes and to 45^(0)C in 10 minutes. Which of the following temperatures is not that of the surroundings
Answer» `45^(0)C` `30^(0)C` `20^(0)C` `25^(0)C` ANSWER :A::B::C