What is the average number of petrol engine cars in all the states together

  • 86.75
  • 89.25
  • 89.75
  • 86.25
  • 88.75
  • Explanation:

    Number of petrol engine cars in state-1

    =700×14/100×4/7=56

    Number of petrol engine cars in state-2

    =700×28/100×9/14=126

    Number of petrol engine cars in state-3

    =700×32/100×3/8=84

    Number of petrol engine cars in state-4

    700×26/100×1/2=91

    Required average = 56+126+84+91/4 = 89.25

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What is the average number of petrol engine cars in all the states together
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