The average revenues of 7 consecutive years of a company is 75 lakhs. If the average of first 4 years is 70 lakhs and that of last 4 years is 82 lakhs, what will be the revenue for the 4th year ?
Answer : Option B
Explanation : Revenue of fourth year
= Rs. (4 × 82 + 4 × 70 – 7 × 75) lakhs
= Rs. (328 + 280 – 525) lakhs
= Rs. 83 lakhs
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