CRE 8 - Selecting books from a shelf | Modern Math - Permutation & Combination
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Answer the next 2 questions based on the information given below:
On a library shelf, there are 5 different books for Maths, 4 different books for Reasoning & 3 different books for English. In how many ways can a person select
A book from the shelf?
Answer: 12
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Workspace:
At least one book from the shelf?
Answer: 4095
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Workspace:
At least one book on each subject from the shelf?
Answer: 3255
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Workspace:
Answer the next 2 questions based on the information given below:
On a library shelf, there are 5 identical books for Maths, 4 identical books for Reasoning & 3 identical books for English. In how many ways can a person select
A book from the shelf?
Answer: 3
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Workspace:
At least one book from the shelf?
Answer: 119
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Workspace:
At least one book on each subject from the shelf?
Answer: 60
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Workspace:
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