Average revenue of 13 consecutive years of a company Rs., 70 ,lakhs. If average of first 7 ,years is

English

Gujarati

Hindi

4.Average

easy

The average revenue of $13$ consecutive years of a company $Rs.\, 70$ $\,lakhs.$ If the average of first $7 \,years$ is $Rs.\, 65$ $\,lakhs$ and that of last $7\, years$ is $Rs.\, 77$ $\,akhs,$ find the revenue for the $7^{th}$ $year.$ (Rs. in $lakh$)

A

$86$

B

$84$

C

$82$

D

$80$

Solution

Total revenue of first $7$ years $=65 \times 7=455$

total revenue of last $7$ years $=77 \times 7=539$

Revenue of $7^{\text {th }}$ year $=84$ lakhs

Standard 13

Quantitative Aptitude

Share

Similar Questions

The batting average of a cricket player for $64$ innings is $62$ runs. His highest score exceeds his lowest score by $180$ runs. Excluding these two innings, the average of remaining innings becomes $60$ runs. His highest score was (in $Runs$)

medium

Visitors to a show were charged $Rs.\,15.00$ each on the first day, $Rs.\, 7.50$ on the second and $Rs.\, 2.50$ on the third day. Visitors total attendance for three days were in the ratio $2: 5: 13$ . Find out the average charge per visitor for the entre show. (in $Rs.$)

hard

The average age of a committee of $8$ members is $40 \,years.$ A member, aged $55\, years,$ retired and he was replaced by a member aged $39\, years.$ The average age of the present committee is (in $years$)

easy

The average age of a group of persons going for a picnic is $16.75 \,years.$ $20$ new persons with an average age of $13.25 \,years$ join the group on the spot due to which the average of the group becomes $15\, years.$ Find the number of persons initially going for the picnic $?$

easy

The average of first three numbers is double of the fourth number. If the average of all the four numbers is $12,$ find the $4^{th}$ number.

hard