1001, 934, 863, 790, 711, 630, 539

Explanation

The pattern of the series: Subtraction of consecutive prime number (167-172) In 2012 Ore extraction by X = 150 kg A type ore extraction by X = 150 × 40 100 = 60 kg B type ore extraction by X = 150 – 60 = 90 kg Ore extraction by Y = 90 kg A type ore extraction by Y = 90-30 = 60 kg B type ore extraction by Y = 30 kg Similarly, Years A type ore extraction by company X (in kg) B type ore extraction by company X (in kg) A type ore extraction by company Y (in kg) B type ore extraction by company Y (in kg) 2012 60 90 60 30 2013 90 90 75 135 2014 210 140 45 75 2015 180 60 70 90