Verified answer

Answer:

Let x be the number of oranges initially.

doubled after every minute.

Number of oranges at the end of 120 minutes =(2^120)x

Number of oranges at the end of n th minute =(2^n)x

Number of half oranges at the end of 120 th minute =(2^n)x

(2^n)x =(1/2) (2^120)x

2^n= 2^119

n= 119 minutes

1. at the end of 119 th minute basket is half full.