For TV Channel 38, one television programme leads to another without any break in between. How much shorter is the Music Mtv than the Documentary? Give your answer in min.
Programmes | Start times |
Music Mtv | 11.00 a.m. |
Drama | 11.50 a.m. |
Documentary | 12.20 p.m. |
News | 1.10 p.m. |