Question 79

The average revenues of 9 consecutive years of a company is Rs 65 lakhs. If the average of first 5 years is Rs 60 lakhs and that of last 5 years is Rs 72 lakhs, find the revenue for the 5th year.

Solution

Total revenues of 9 years of the company = $$65 \times 9$$ = Rs. 585 lakhs

Total revenue of first 5 years = $$60 \times 5$$ = Rs. 300 lakhs

Total revenue of last 5 years = $$72 \times 5$$ = Rs. 360 lakhs

$$\therefore$$ Revenue of 5th year = (300 + 360) - 585 = 660 - 585

= Rs. 75 lakhs

=> Ans - (B)

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