The average revenues of 9 consecutive years of a company is Rs 80 lakhs. If the average of first 5 years is Rs 75 lakhs and that of last 5 years is Rs 87 lakhs, find the revenue for the 5th year.

• A. Rs. 90 lakhs
• B. Rs. 92 lakhs
• C. Rs. 88 lakhs
• D. Rs. 86 lakhs