Total people = Left of Kant (17) + Kant (1) + Between Kant and Pant (2) + Pant (1) + Right of Pant (4)
Total = 25 people.





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?