Study the graphs to answer these questions.
The pie chart shows the percentage of graduate employees in various department of M/S XYZ limited.
The employees in various departments of M/S. XYZ limited. Other than graduate employees are those employees who are either post graduate or undergraduates.

What percentage of other than graduate employees are there in Marketing and Planning department together? 

PT is a tangent at the point R on a circle with centre O. SQ is a diameter, which when produced meets the tangent PT at P. If ∠SPT=32°, then what will be the measure of ∠QRP?

What is the value of $$ {cosecθ\sqrt{1-cos^2θ}}$$.

A boat takes half time in moving a certain distance downstream than upstream. what is the ratio between the rate in still water and the rate of current? 

A dealer is selling an article at a discount of 5 % on the marked price. If the marked price is 12% above the cost price and the article was sold for ₹ 532 then the cost price is (in ₹)

15 person can complete a work in 60 days. If the number of persons is increased by 5, how many days earlier will the work get completed?

Find the value of $$\left({1\over {sin 60°}} \right)^{2} + (cos 30°)^{2} \over(tan 45°)^{2}$$.

The volume of a cube is $$ 512{cm}^{3}$$. Its surface area (in sq cm) is