Probability ncert solutions Chapter 15 Exercise 15.1 Question 20
20. Suppose you drop a die at random on the rectangular region shown in fig. What is the probability that it will land inside the circle with diameter 1 m?
Let E be the event that dice lands inside the circle.
Radius of circle =Diameter/2= m
Area of circle
Area of rectangle =length x breadth=3 x 2 =6
P(E)=(Area of circle)/(Area of rectangle)