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In a group of 50 students, the number of...

In a group of 50 students, the number of students studying French, English, Sanskrit were found to be as follows French = 17, English = 13, Sanskrit = 15, French and Sanskrit = 5, English, French and Sanskrit = 3. Find the number of students who study
At least one of the three languages.

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The correct Answer is:
`= 30`
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In a group of 50 students, the number of students studying French, English, Sanskrit were found to be as follows French = 17, English = 13, Sanskrit = 15, French and Sanskrit = 5, English, French and Sanskrit = 3. Find the number of students who study Only French.

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