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What is minimum number of each coin I need if it is to be possible for me to give any amount of money from 1c to 50c?

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What is minimum number of each coin I need if it is to be possible for me to give any amount of money from 1c to 50c?
posted Jan 23, 2018 by anonymous

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1 Answer

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For European coins, 7 coins: 2*1c, 2c, 5c, 10c, 20c, 50c

answer Jan 26, 2018 by Jcm



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f I have less than $1 in coins, what is the largest amount of money I could have and not be able to give someone exactly 50p?

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You have a weighing balance, which you can place weights on both sides of. You need to measure all weights between 1 and 1000.

For example if you have weights 1 and 3, you can measure test objects of weights 1, 3 or 4. You can also measure objects of weight 2, by placing 3 on one side and 1 on the side which contain the object to be weighed.

What is the minimum number of weights that you would need to be able to measure all (integral) weights from 1 kg to 1000 kg?

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