Q. With reference to the mineral sources of India, consider the following pairs:Mineral 90% National Sources in1. Copper — Jharkhand2. Nickel — Orissa3. Tungsten — KeralaWhich of the pairs given above is/are correctly matched?  

1. 1 and 2 only
2. 2 only
3. 1 and 3 only
4. 1, 2 and 3