A

Admin • 830.13K Points
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Q. The average consumption of petrol for a car for seven months is 110 litres and for next five months it is 86 litres. The average monthly consumption is ?

  • (A) 96 litres
  • (B) 98 litres
  • (C) 100 litres
  • (D) 102 litres
  • Correct Answer - Option(C)
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Explanation by: Admin
Average = ( sum of consumption of petrol in first 7 months + sum of consumption of petrol in last 5 months. ) / 12

Average = ( 110 x 7 + 86 x 5 ) / 12
=(1200 / 12 = 100 liters

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