Question

There are 30 employees in a company. The salaries of 20 of them were each increased by 10%. The salaries of the rest were each increased by 20%. Find the percentage increase in the total salary of the employees.\

Answer 1

The total increase in the total salary of the employees will be 13.33%.

Step-by-step explanation:

Let the salary of each employee before the increment is Rs X.

Then it is given in the question that the salary of 20 of the employee is increased by 10% that means each employee will get (X+X/10)=1.1X

The total amount ,that the 20 employees will receive is =(1.1X×20)=22X

Then it is given that the salary of the 10 employees is increased by 20%

So,(X+X/5)=6X/5 this is the increment of amount of single employee.

Total increment of 10 employees is (6X/5×10)=12X

So, now the total final amount of the employees after the increment is 22X+12X=34X.

Initial total salary of the employees before increment is 30X.

so, net increase =34X-30X=4X

So, percentage increase will be (4X/30X)×100=13.33%