The correct answer is C) 40°C.
Madhya Pradesh is a state in central India. It is one of the hottest states in India, with an average maximum temperature of 40°C during summers. The temperature can even reach up to 45°C in some parts of the state. The summers in Madhya Pradesh are long and dry, with little rainfall. The state is also prone to heat waves, which can be very dangerous for people who are not used to the heat.
Option A) 20°C is incorrect because the average maximum temperature during summers in Madhya Pradesh is much higher than 20°C.
Option B) 30°C is incorrect because the average maximum temperature during summers in Madhya Pradesh is much higher than 30°C.
Option D) 50°C is incorrect because the average maximum temperature during summers in Madhya Pradesh is not as high as 50°C.