The sum of prime numbers, out of the numbers $17, 8, 21, 13, 41, 2, 27, 31, 51$ is:

125

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102

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104

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155

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Solution

The correct option is C $104$
Prime numbers out of $17, 8, 21, 13, 41, 2, 27, 31, 51$ are $17, 13, 41, 2, 31$ .
Sum of prime numbers $= 17 + 13 + 41 + 2 + 31 = 104$ .

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