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A shelf holds 3 identical copies of a Hindi book, 4 identical copies of an English book and 2 identical copies of a Maths book. In how many ways can Arjun take at least one book?

Competition practicePermutations & Combinations
  • A60
  • B59
  • C511
  • D23

Step-by-Step Solution

Identical copies: only how MANY of each matters. Hindi 0–3 (4 ways), English 0–4 (5 ways), Maths 0–2 (3 ways). , minus taking nothing: 59. (511 treats the copies as different.)
Answer: B) 59

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