Mine Economics MCQs Questions & Answers | Mining Engineering

A. Salting

B. Speculative rate of return

C. Depreciation

D. Ore reserve calculation

A. For the cash income from a project to get back the initial cash investment

B. From the start of the project to the time to recover the total initial investment

C. From the start of the projeet to the start of the production

D. To the period during which internal tate of return is generated

A. 6

B. 8

C. 10

D. 12

A. 2,00,000

B. 20,00,000

C. 30,00,000

D. 50,00,000

A. 400

B. 350

C. 250

D. 200

A. 9,091

B. 17,355

C. 24,869

D. 26,446

A. 40

B. 125

C. 156

D. 300

A. $$\frac{{\left[ {c \pm \sqrt {\left( {{c^2} - 4ab} \right)} } \right]}}{{\left( {2a} \right)}}$$

B. $$\frac{{\left[ {\sqrt {\left( {{c^2} - 4ab} \right)} } \right]}}{{\left( {2a} \right)}}$$

C. $$\frac{{\left[ { - c \pm \sqrt {{c^2} - 4ab} } \right]}}{{\left( {2a} \right)}}$$

D. $$\frac{{\left[ {c \pm \sqrt {{c^2} - 4ab} } \right]}}{{\left( {2a} \right)}}$$

A. $$R = P{\left( {1 + i} \right)^n}\left[ {\frac{i}{{{{\left( {1 + i} \right)}^n} - 1}}} \right]$$

B. $$R = P{\left( {1 + i} \right)^n}\left[ {\frac{{{{\left( {1 + i} \right)}^n} - 1}}{i}} \right]$$

C. $$R = P\left[ {\frac{{{{\left( {1 + i} \right)}^n} - 1}}{i}} \right]$$

D. $$R = \frac{P}{{{{\left( {1 + i} \right)}^n}}}\left[ {\frac{i}{{{{\left( {1 + i} \right)}^n} - 1}}} \right]$$

A. Rs. 2,40,000

B. Rs. 6,40,000

C. Rs. 8,00,000

D. Rs. 14,40,000