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What is the sum of 4! ÷ 2! and 3!?

Answer and explanation

Correct answer: 18

The phrase asks for the sum of two quantities, so interpret the expression as (4! ÷ 2!) + 3!. Evaluate the factorials first: 4! = 4 × 3 × 2 × 1 = 24, 2! = 2, and 3! = 3 × 2 × 1 = 6. Therefore, 4! ÷ 2! = 24 ÷ 2 = 12, and the required sum is 12 + 6 = 18. Hence option B is correct. Option A can result from an incorrect factorial or addition calculation. Option C may arise if the quotient is mistakenly treated as 14. Option D is only 4! and does not include the required 3!. Separating factorial evaluation, division, and addition avoids ambiguity and follows the order of operations.

Related tags

Factorial NotationOrder Of OperationsArithmetic ReasoningClass 11MathematicsPermutations And CombinationsClass 11 Mcq

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