For the following questions answer them individually
The slopes of two lines are 1 and $$\frac{1}{\sqrt{3}}$$. What is the angle between these two lines?
A rectangular swimming pool of length 25 m and breadth 12 m has a uniformly sloping floor. It is 2 m in depth on one end of its length and 3 m at the other. How much water is needed to completely fill this pool?
Peeyush has done 1/3rd of a job in 30 days, Sanjiv completes the rest of the job in 60 days. In how many days can they together do the job?