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Class 11MathematicsPermutations and CombinationsFactorial notationEasy
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What is the value of (1!+3!)?

Answer and explanation

Correct answer: 7

Here, 1! = 1 and 3! = 3 × 2 × 1 = 6. Therefore, 1! + 3! = 1 + 6 = 7. Option 6 is only the value of 3!; it does not include 1!. Exam tip: Evaluate each factorial first, then perform the indicated operation.

Related tags

Factorial NotationPermutations 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 simplified value of \(\frac{6!}{4!}\)?
  4. 4What is the value of (\frac{7!}{5!,2!})?
  5. 5Which form can represent (n!)?
  6. 6What is the value of (4!+2!)?
  7. 7What is the value of 8!/7!?
  8. 8How can (9\times8\times7) be written in factorial form?
  9. 9For a positive integer \(n\), which of the following statements gives the correct definition of \(n!\)?
  10. 10What will be the value of \(\frac{5!}{3!}\)?
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