
Observing the given figure, we count the number of circles that are completely inside the rectangle.
Observing the circles outside the rectangle, we count them.
The difference between the number of circles outside the rectangle and inside the rectangle is:
The correct answer is (b) Three.




Arun’s present age in years is 40% of Barun’s. In another few years, Arun’s age will be half of Barun’s. By what percentage will Barun’s age increase during this period?