1.

The average revenues of 9 consecutive years of a company is Rs 68 lakhs. If the average of first 5 years is Rs 63 lakhs and that of last 5 years is Rs 75 lakhs, find the revenue for the 5th year.1). Rs 80 lakhs2). Rs 76 lakhs3). Rs 78 lakhs4). Rs 74 lakhs

Answer»

As per the given data

Average revenues of 9 CONSECUTIVE years of a company = Rs.68 lakhs

Total revenues of 9 consecutive years = 68 × 9 = Rs.612 lakhs

Average REVENUE of the first 5 years = Rs.63 lakhs

Revenue of the first 5 years = 63 × 5 = Rs.315 lakhs

Average revenue of the last 5 years = Rs.75 lakhs

Revenue of the last 5 years = 75 × 5 = Rs.375 lakhs

⇒ Revenue for the 5th year = (Revenue of the first 5 years + Revenue of the last 5 years) - total revenue for 9 consecutive years

= (315 + 375) - 612

= 690 – 612 = Rs.78 lakhs


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