Question

A cinema screens two different short films at two separate rooms at regular intervals throughout the day. The first film lasts for $$50 minutes, while the second film lasts for $$30 minutes. There are $$10-minute breaks between the screening of a film in each room. If the cinema starts screening both films at $$2:45 pm when it opens for the day, what is the next time that both films will start screening at the same time?

Answer 1

4: 45pm

Explanation:

First Film = 50 minutes

Second Film = 30 minutes

Cinema start screening time = 2:45 pm

- Both Film start screening

At 3: 15 pm

- Second film ends

- First film is till screening ( 20 minutes left)

- Break Commences

3: 25

- First film is till screening ( 10 minutes left)

- Break Ends

- Second film starts screening

3 : 35 pm

- First film ends

- Break Commences

- Second film is till screening ( 20 minutes left)

3 : 45

- Second film is till screening ( 10 minutes left)

- Break Ends

- First film starts screening

3 : 55 pm

- Second film ends

- First film is till screening ( 40 minutes left)

- Break Commences

4 : 05 pm

- Break Ends

- First Film is till screening ( 30 minutes left)

- Second film starts screening

4: 35 pm

- Both Film ends

- Break Commences

4: 45pm

- Break Ends

- Both Films start screening