1. In how many ways can 4 distinct books be arranged on a shelf?
Senior- A.21.12
- B.26.88
- C.29.76
- D.24
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Permutations & Combinations interview questions
10 Permutations & Combinations questions from the Aptitude bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.
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Practice Permutations & Combinations free2. In how many ways can 6 distinct books be arranged on a shelf?
Senior- A.633.60
- B.720
- C.806.40
- D.892.80
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3. In how many ways can a committee of 3 be chosen from 6 people?
Senior- A.17.60
- B.24.80
- C.22.40
- D.20
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4. In how many ways can 5 distinct books be arranged on a shelf?
Senior- A.134.40
- B.105.60
- C.120
- D.148.80
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5. In how many ways can a committee of 3 be chosen from 5 people?
Senior- A.12.40
- B.11.20
- C.10
- D.8.80
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6. In how many ways can a committee of 2 be chosen from 7 people?
Senior- A.26.04
- B.21
- C.18.48
- D.23.52
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7. In how many ways can a committee of 3 be chosen from 7 people?
Senior- A.39.20
- B.35
- C.43.40
- D.30.80
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8. In how many ways can a committee of 2 be chosen from 6 people?
Senior- A.15
- B.18.60
- C.13.20
- D.16.80
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9. In how many ways can a committee of 2 be chosen from 5 people?
Senior- A.10
- B.8.80
- C.11.20
- D.12.40
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10. In how many ways can a committee of 2 be chosen from 8 people?
Senior- A.31.36
- B.28
- C.24.64
- D.34.72
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