The correct answer is: c) Between 1500-2500 meters.
The hills in Mizoram are part of the Eastern Himalayas, which are a mountain range that runs through the eastern part of India. The average elevation of the hills in Mizoram is between 1500 and 2500 meters. This means that the hills are relatively high, and they are home to a variety of plant and animal life. The hills are also a popular tourist destination, and they offer stunning views of the surrounding countryside.
Option a) is incorrect because the average elevation of the hills in Mizoram is not less than 500 meters. The hills are relatively high, and they are home to a variety of plant and animal life.
Option b) is incorrect because the average elevation of the hills in Mizoram is not between 500 and 1500 meters. The hills are relatively high, and they are home to a variety of plant and animal life.
Option d) is incorrect because the average elevation of the hills in Mizoram is not above 2500 meters. The hills are relatively high, but they are not as high as some of the other mountains in the Eastern Himalayas.