GATE · Engineering Mathematics

Permutations and combinations

13 practice questions, each with the answer and an explanation.

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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 13 questions

  1. In how many ways can a committee of be chosen from people?
  2. In how many ways can a committee of be chosen from people?
  3. In how many ways can a committee of be chosen from people?
  4. In how many ways can a committee of be chosen from people?
  5. In how many ways can a committee of be chosen from people?
  6. How many different arrangements of distinct books are possible on a shelf?
  7. How many different arrangements of distinct books are possible on a shelf?
  8. How many different arrangements of distinct books are possible on a shelf?
  9. In how many ways can a committee of be chosen from people?
  10. In how many ways can a committee of be chosen from people?
  11. In how many ways can a committee of be chosen from people?
  12. In how many ways can a committee of be chosen from people?
  13. How many different arrangements of distinct books are possible on a shelf?

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