Average salary of 20 workers in an office is Rs. ,1900 per month. If manager's salary is added,

English

Gujarati

Hindi

4.Average

medium

The average salary of $20$ workers in an office is $Rs. \,1900$ per $month.$ If the manager's salary is added, the average becomes $Rs. \,2000$ per $month.$ The manager's annual salary (in $Rs.$) is

A

$24000$

B

$25200$

C

$45600$

D

$48000$

Solution

Total monthly salary of $20$ workers in an office $=1900 \times 20=\text { Rs. } 38000$

Total monthly salary of $20$ workers and manager $=2000 \times 21$ $=$ Rs. $42000$

Manager monthly salary $=42000-38000=$ $Rs. 4000$

Manager annual salary $=12 \times 4000=$ $Rs. 48000$

Standard 13

Quantitative Aptitude

Share

Similar Questions

A cricketer gives $12.4$ runs per wicket. He gives $26$ runs and takes $5$ wicket in a match after which his average becomes $12$ per wicket. How many wickets had been taken till the last match?

medium

It rained as much on Wednesday as on all the others days of the week combined. If the average rainfall for the whole week was $3 \,cm $ then how much did it rain on Wednesday? (in $cm$)

easy

The average weight of $21$ boys was recorded as $64 \,kg.$ If the weight of the teacher was added, the average increased by one $kg.$ What was the teacher's weight?

medium

The average of $6$ numbers is $8.$ What is the $7^{th}$ number so that average becomes $10 ?$

easy

A batsman has a certain average of runs for $12$ innings. In the $13^{th}$ innings, he scores $96$ runs and thereby increasing his average by $5$ runs. What is his average after the $13^{th}$ innings ?

easy