The average revenues of 13 consecutive years of a company is Rs 78 lakhs. If the average of first 7 years is Rs 73 lakhs and that of last 7 years is Rs 85 lakhs, what is the revenue for the 7
th
year?
- ARs 94 lakhs
- BRs 90 lakhs
- CRs 88 lakhs
- DRs 92 lakhs
Solution & Step-by-step Explanation
Total revenue for 13 years = 13×78=1014 lakhs.
Total revenue for the first 7 years = 7×73=511 lakhs.
Total revenue for the last 7 years = 7×85=595 lakhs.
In adding the first 7 years and the last 7 years, the 7
th
Total revenue for the first 7 years = 7×73=511 lakhs.
Total revenue for the last 7 years = 7×85=595 lakhs.
In adding the first 7 years and the last 7 years, the 7
th