UGC NET ICT Q34

Question

Based on the following, which of the following statements is true.
A CD contains 12 music tracks which are of lengths (in minute):
3, 7, 4, 3, 5, 6, 4, 5, 4, 7, 8, 8 and each minute of music requires 12 MB of storage.
1. 512 MB of memory is used for the 12 music tracks.
2. 1 GB of memory is used for the 12 music tracks.
3. 768 MB of memory is used for the 12 music tracks.
4. If the tracks are to be stored in MP3 format, then each music track will be reduced in size by 90%. The storage that the 12 tracks would require is 69.12 MB.