Question Statement :

Delhi Metro Corporation engaged 25,000 workers to complete the project of IP state to Dwarka Metro Line in 4 years. At the end of the first year, 10% workers were shifted to the other projects of Delhi Metro. At the end of the second year, again 5% workers were reduced. However, the number of workers increased by 12% at the end of the third year to complete the above project in time. What was the size of work force during the fourth year?

Type in your answer as an integer. For example, if your answer is 17, type 17