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Calculate: (15 - 5) × 2 + 10.

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Question: Calculate: (15 - 5) × 2 + 10.

Options:

  1. 20
  2. 25
  3. 30
  4. 35

Correct Answer: 25

Solution: 

15 - 5 = 10; 10 × 2 = 20; 20 + 10 = 30.

Calculate: (15 - 5) × 2 + 10.

Practice Questions

Q1
Calculate: (15 - 5) × 2 + 10.
  1. 20
  2. 25
  3. 30
  4. 35

Questions & Step-by-Step Solutions

Calculate: (15 - 5) × 2 + 10.
  • Step 1: Start with the expression (15 - 5) × 2 + 10.
  • Step 2: Calculate 15 - 5, which equals 10.
  • Step 3: Now, replace (15 - 5) with 10 in the expression, so it becomes 10 × 2 + 10.
  • Step 4: Next, calculate 10 × 2, which equals 20.
  • Step 5: Now, replace 10 × 2 with 20 in the expression, so it becomes 20 + 10.
  • Step 6: Finally, calculate 20 + 10, which equals 30.
  • Order of Operations – Understanding the correct sequence to perform arithmetic operations (PEMDAS/BODMAS).
  • Basic Arithmetic – Performing addition, subtraction, and multiplication correctly.
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