CGPSC Prelims Paper II 2019 Solved Paper

Mahesh has some apples. He gave half of the apples to Suresh but got 1 apple back from Suresh. Then he gave half of the apples available with him to Dinesh and got 1 apple back from him. Third time he repeated the same process with Harish. In the end, he was having the same number of apples which he had in the beginning. Number of apples he had in the beginning is