Evaluate the given expression.$42 \div 7 \times 2$ | Mathematics MCQ | Examoogle

BODMAS: Division and Multiplication from left to right\text{BODMAS: Division and Multiplication from left to right}BODMAS: Division and Multiplication from left to right

⚡ Exam Hall Shortcut / Speed Trick

Evaluate multiplication and division strictly from left to right as they have equal precedence in BODMAS/PEMDAS.

⚠️ Common Student Trap / Pitfall

Many students mistakenly perform multiplication before division (violating left-to-right order) or think multiplication has higher precedence than division.

🔢 Step-by-Step Solution

Step 1: Understand Operator Precedence

According to the BODMAS rule, division and multiplication have the same level of priority. Therefore, we evaluate them strictly from left to right.

42÷7×242 \div 7 \times 242÷7×2

Step 2: Perform Division

First, evaluate the leftmost operation, which is division: $42 \div 7 = 6$

6×26 \times 26×2

Step 3: Perform Multiplication

Next, multiply the result by 2: $6 \times 2 = 12$

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✅

C is correct because evaluating $42 \div 7 \times 2$ from left to right gives $6 \times 2 = 12$ .

Core Concepts Used

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BODMAS Rule Operator Precedence Left-to-Right Evaluation

💡 EXAM TIP

Always remember that addition/subtraction and multiplication/division are evaluated left-to-right when they appear consecutively without parentheses.

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