The number of marbles should be divisible by 5, 4, 3, and 2.
Finding the Least Common Multiple (LCM) of these numbers:
LCM(5,4,3,2) = 60
Since 60 is the smallest number divisible by all, it must be the minimum marbles Ramesh has.
Conclusion: Thus, the correct answer is 60 (Option D)
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?