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Subjects
Class 11MathematicsPermutations and CombinationsFactorial notationEasy
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If (p=0!) and (q=1!), what is the value of (p+q)?

Answer and explanation

Correct answer: 2

By definition, \(0! = 1\) and \(1! = 1\). Therefore, \(p+q = 0!+1! = 1+1 = 2\). Option 1 is the value of either factorial individually, not their sum. Exam tip: Always remember that \(0! = 1\).

Related tags

Factorial NotationZero FactorialPermutations And CombinationsClass 11 MathematicsBasic FactorialsMathematicsClass 11 Mcq
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10 more MCQs
  1. 1What is the value of 5!?
  2. 2What is the value of 0!?
  3. 3What is the value of (1!+3!)?
  4. 4What is the simplified value of \(\frac{6!}{4!}\)?
  5. 5What is the value of (\frac{7!}{5!,2!})?
  6. 6Which form can represent (n!)?
  7. 7What is the value of (4!+2!)?
  8. 8What is the value of 8!/7!?
  9. 9How can (9\times8\times7) be written in factorial form?
  10. 10For a positive integer \(n\), which of the following statements gives the correct definition of \(n!\)?
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