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Quantitative Aptitude

Pascal's Triangle

A person X ha...

Question

A person X has four notes of rupee 1, 2, 5 and 10 denomination. The number of different sums of money she can form from them is

A

16

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B

15

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C

12

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D

8

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Solution

The correct option is D 15
$2^{4}$ - 1 = 15 sums of money can be formed.

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Q. A person X has four notes of rupee 1, 2, 5 and 10 denomination. The number of different sums of money she can form from them is

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