A. 1 tonne of high grade coal
B. 4.5 tonnes of high grade coal
C. 10 tonnes of high grade coal
D. 100 tonnes of high grade coal
E. 1000 tonnes of high grade coal
Correct Answer: 4.5 tonnes of high grade coal ✔
Last Updated: January 24, 2019
A. 1 tonne of high grade coal
B. 4.5 tonnes of high grade coal
C. 10 tonnes of high grade coal
D. 100 tonnes of high grade coal
E. 1000 tonnes of high grade coal
Correct Answer: 4.5 tonnes of high grade coal ✔
Last Updated: January 24, 2019