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GATE 2024 MN – Question 60

Mineral Economics, Mine Planning, Systems Engineering · Mineral Economics · 2 marks · Numerical answer

A mining project has real return 14% and inflation 5.5%. Find nominal return in percent, to two decimals.

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Correct answer: 20.27 to 20.27

Explanation

The Fisher compounding relation is 1+nominal=(1+real)(1+inflation). Thus nominal=1.14×1.055−1=0.2027=20.27%. Simply adding the rates omits the 0.77 percentage-point cross term. The official singleton 20.27 is retained.

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