Question

A baby cools from 50°C to 40°C in 5 min. The surrounding temperature is 20°C. In what further time (in minutes) will it cool to 30°C?

• A. 5
• B. $\frac{15}{4}$
• C. $\frac{25}{3}$
• D. 10

Answer 1

Answer: (C)

$\frac{25}{3}$

Answer 2

The correct answer is option (C) : $\frac{25}{3}$