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Evaluate: 33 ÷ 9 × 3 - 2 × 3
8
5
7
4
5
Use the BODMAS rule strictly: perform division and multiplication from left to right before subtraction.
Expression to evaluate: 33 ÷ 9 × 3 - 2 × 3
BODMAS=Bracket, Of, Division, Multiplication, Addition, Subtraction
Use the BODMAS rule strictly: perform division and multiplication from left to right before subtraction.
Most students mistakenly perform multiplication before division (e.g., 9×3=27 first), which leads to an incorrect result of 33/27−6.
Apply Division
According to the BODMAS rule, division comes before multiplication. So, 33÷9 is calculated first.
933=311
Perform Multiplications
Now multiply the result by 3 and calculate the second part of the expression independently.
(311×3)−(2×3)=11−6
Final Subtraction
Subtract the result of the second multiplication from the first term.
11−6=5
B is correct because the sequential application of BODMAS yields the final result of 5.
This rule applies to all algebraic simplifications in exams; always prioritize grouping and operations order to avoid silly errors in complex equations.
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