Calculate: 15 * 6 - 24 / 4 + 10. | Mathematics MCQ | Examoogle

BODMAS=(Brackets,Orders,Division,Multiplication,Addition,Subtraction)BODMAS = (\text{Brackets}, \text{Orders}, \text{Division}, \text{Multiplication}, \text{Addition}, \text{Subtraction})BODMAS=(Brackets,Orders,Division,Multiplication,Addition,Subtraction)

⚡ Exam Hall Shortcut / Speed Trick

Use the BODMAS rule strictly: perform division first, then multiplication, then addition and subtraction from left to right.

⚠️ Common Student Trap / Pitfall

Performing operations in the order they appear from left to right without respecting the BODMAS rule, leading to incorrect calculations like $90 - 6 = 84$ before division.

📊 Diagram / Illustration

🔢 Step-by-Step Solution

Apply Division

Perform the division operation first as per the BODMAS rule: $24 / 4 = 6$ .

15×6−6+1015 \times 6 - 6 + 1015×6−6+10

Apply Multiplication

Perform the multiplication operation: $15 \times 6 = 90$ .

90−6+1090 - 6 + 1090−6+10

Perform Addition and Subtraction

Solve from left to right: $90 - 6 = 84$ and $84 + 10 = 94$ .

84+10=9484 + 10 = 9484+10=94

✅

B is correct because following the BODMAS rule strictly results in a final value of 94.

Core Concepts Used

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BODMAS Rule Order of Operations Arithmetic Hierarchy

💡 EXAM TIP

The BODMAS rule is essential for solving data interpretation questions and series problems in exams like RRB JE, where incorrect sequence order is a common distractor.

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