For the following questions answer them individually
In a class $$\frac{3}{4}$$ of the students do not know either Hindi or English. $$\frac{1}{6}$$ of the students know English and $$\frac{1}{8}$$ of the students know Hindi. What part of the students know both English and Hindi?
A sum increases by 100% in 8 years at a certain rate of Simple Interest. What will be the Compound Interest on Rs.8000 after 2 years at the same rate of interest?
An incident ray makes an angle of $$30^\circ$$ with the surface of a plane mirror. What is the angle of reflection?
P can do some work in 9 days. If Q is 50% more efficient than P, then how long will Q take to do the work ?
A square sheet of paper is folded into a cylinder by rolling along its side. What is the ratio of side of the square to the base radius of the cylinder ?
Choose the figure that best represents the relationship among the classes given below.
Batsman, Ball, Cricket, Stump