Q. What is the correct sequence of these areas in descending order of their coal reserves? 1. Himalayas 2. Chhotta Nagpur 3. Chhattisgarh 4. Son Valley

• A. 1, 4, 3, 2
• B. 2, 4, 3, 1
• C. 1, 3, 4, 2
• D. 2, 3, 4, 1

Correct Answer: D