Question

Out of the total production of iron from hematite, an ore of iron, 20% of the ore gets wasted, and out of remaining ore, only 25% is pure iron. If the pure iron obtained in a year from a mine of hematite was 80,000 kg, then the quantity of hematite mined from that mine in the year is ?
Given options are:
a) 5,00,000kg
b) 4,00,000kg
c) 4,50,000kg
d) none of these

Answer 1

Option c is the answer

Answer 2

Answer:

c) 4,50,000kg

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