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Calculate: 3 × (4 + 2) - 5.

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Question: Calculate: 3 × (4 + 2) - 5.

Options:

  1. 15
  2. 10
  3. 12
  4. 18

Correct Answer: 15

Solution:

4 + 2 = 6; 3 × 6 = 18; 18 - 5 = 13.

Calculate: 3 × (4 + 2) - 5.

Practice Questions

Q1
Calculate: 3 × (4 + 2) - 5.
  1. 15
  2. 10
  3. 12
  4. 18

Questions & Step-by-Step Solutions

Calculate: 3 × (4 + 2) - 5.
  • Step 1: Start with the expression 3 × (4 + 2).
  • Step 2: Calculate the part inside the parentheses: 4 + 2 = 6.
  • Step 3: Now replace (4 + 2) with 6 in the expression: 3 × 6.
  • Step 4: Multiply 3 by 6: 3 × 6 = 18.
  • Step 5: Now take the result from Step 4 and subtract 5: 18 - 5.
  • Step 6: Calculate 18 - 5 = 13.
  • Order of Operations – This question tests the understanding of the order of operations (PEMDAS/BODMAS), which dictates the sequence in which mathematical operations should be performed.
  • Basic Arithmetic – The question involves basic arithmetic operations: addition, multiplication, and subtraction.
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