What is the approximate proportion of coal in the domestic consumption of energy in 2012?
Explanation:
The total consumption of energy in the year 2012 = 540 × 1.15 × 1.1 × 1.15 + 290 × 1.1 × 1.1 × 1.15 + 80 × 1.05 × 1.05 × 1.1 + 20 × 1.2 × 1.15 × 1.1 + 50 × 1.1 × 1.05 × 1.1 + 20 × 1.15 × 1.15 × 1.1
= 1409.1 MTOE
The consumption of coal in the year 2012 = 540 × 1.15 × 1.1 × 1.15 = 785.56 MTOE
The proportion of coal in the total domestic consumption
= 785.56/1409.1 × 100 = 55.75%
Hence, option (d).
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