How Legends Do Their Work?

What are holoenzymes ? How are they formed ? How do they work ?

A can do a work in 36 days and B in 12 days. If they work on it together, then in how many days will they be able to do the work?

A can do a work in 36 days and B in 12 days. If they work to gether in how many days will they be able to do the work?

A can do of a work in 10 days. B can do of the work in 20 days. In how many days can both A and B together do the work?

A and B can do a piece of work in 20 days and 25 days. A start the work and they do this work in alternate days. In how many days will this work be completed ?

What are the Instrinsic semiconductor ? Explain how do they work?