Question

2000 coins to be divided in some box such that it is possible to give
change for any number asked between 1 to 2000 by combining the
boxes. What will be the minimum number of boxes needed?​

Answer 1

Given : 2000 coins to be divided in some box such that it is possible to give change for any number asked between 1to 2000 by combining the boxes

To Find : minimum number of boxes needed

Solution:

Below is the combination of coins in each box

1

2

4

8

16

32

64

128

256

512

977

11 boxes will be required

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