Directions: The line chart given below shows the per acre yield (in million tonnes) of tea of 7 countries.
What is the respective ratio of average per acre yield of the 3 countries having the highest yield to average per acre yield of the 3 countries having the least yield?
137 : 51
Average of 3 highest yielding countries = (300 + 272 + 250) /3 = 822/3
⇒ Average of 3 highest yielding countries = 274
Average of 3 lowest yielding countries = (82 + 104 + 120) /3 = 306/3
⇒ Average of 3 lowest yielding countries = 102
∴ Ratio can be given as 274/102 = 137 : 51
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