[Cooperative Bank Senior Manager 2021]

3. A man fills a basket with identical marbles in such a way that the number of marbles added on each successive day is the same as the number already present in the basket. This way the basket gets completely filled up in 12 days. After how many days the basket was one-fourth full?

1. 3

2. 6

3. 8

4. 10

Correct Answer :

10