How many products can be produced ?

Sir / madam,
My question is

Two machines can produce P & Q Products independently.
Each machine can work for 8 hours each day.
The time taken by each machine is given by as follows

Machine________ M1 ___________ M2
P________ 10 Minutes ________ 8 Minutes
Q________ 6 Minutes ________ 6 Minutes

Questions
1. How many products can be produced in day by two machines.
2. Minimum time taken by the machine to produce 48n products.


Advance Thanks,
R.Rengaraj
{TCS 07}
{On this forum my 17th Question.}