No. of ways of selecting 4 books from 6 similar books is

  1. 6C4
  2. 6P4
  3. 1
  4. None of these

Answer (Detailed Solution Below)

Option 3 : 1
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Detailed Solution

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Concept:

The number of ways of selection from an identical object (Same type) is 1.

Calculation:

It doesn’t matter which four books you select, you’ll end up with the same selection each time. Because the books are same.

Therefore the number of ways to select four books will be one.

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