Average salary per head of all workers in a company is Rs. ,95. average salary of 15 officers is Rs.

English

Gujarati

Hindi

4.Average

medium

The average salary per head of all the workers in a company is $Rs. \,95.$ The average salary of $15$ officers is $Rs.\, 525$ and the average salary per head of the rest is $Rs. \,85.$ Find the total number of workers in the workshop.

A

$660$

B

$580$

C

$650$

D

$460$

Solution

Let the total number of workers $=x$

$15 \times 525+(x-15) 85=x \times 95$

$15 \times 525-15 \times 85=10 x$

$7875-1275=10 x \Rightarrow 10 x=6600 \Rightarrow x=660$

Standard 13

Quantitative Aptitude

Share

Similar Questions

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 $lakh$)

easy

The average of $50$ numbers is $30.$ If two numbers, $35$ and $40$ are discarded, then the average of the remaining numbers is nearly.

medium

A family consists of grand parents, parents and three grand children. The average age of the grand parents is $67\, years,$ that of the parents is $35\, years$ and that of the grand children is $6 \,years.$ What is the average age of the family? (in $years$)

medium

The average of three numbers is $154 .$ The first number is twice the second and the second number is twice the third. The first number is

medium

The average of six numbers is $20 .$ If one number is removed, the average becomes $15 .$ What is the number removed ?

easy