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Subjects
Class 11MathematicsPermutations and CombinationsCombinationsMedium
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From (5) English and (7) Hindi books (3) books are to be selected with books from both subjects. How many ways are there?

Answer and explanation

Correct answer: (185)

Total ways are (\binom{12}{3}=220). Removing only English (\binom{5}{3}=10) and only Hindi (\binom{7}{3}=35) gives (175) ways.

Related tags

CombinationsClass11MediumPermutations And CombinationsMathematicsClass 11 Mcq
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