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Number of different sums of money that can person form is 15.

Step-by-step explanation:

Given : A person has 4 coins each of different denomination.

To find : What is the number of different sums of money the person can form?

Solution :

A person has 4 coins each of different denomination.

Selecting 1 coin out of 4 coins gives possible ways.

Selecting 2 coin out of 4 coins gives possible ways.

Selecting 3 coin out of 4 coins gives possible ways.

Selecting 4 coin out of 4 coins gives possible ways.

Total number of different sums of money that can person form is 4c1+4c2+4c3+4c4= 4+6+4+1=15

Therefore, Number of different sums of money that can person form is 15

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Sachin Ray

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Isac Roob

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Q: 1 A person has 4 coins each of different denomination What is the number of different sums of money the person can form using one or more coins at a time?
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