4 questions from actual NDA papers · all shown free · click option to reveal solution
Division and Multiplication have equal priority - solve whichever comes first from left to right. Same applies to Addition and Subtraction. Always complete one bracket fully before moving to the next. When you have nested brackets, solve the innermost bracket first
B → O → DM (left to right) → AS (left to right) SSC CGL regularly tests BODMAS in 2-3 questions per paper
Complex expressions with all operations mixed together. Nested brackets with multiple levels. Fraction expressions requiring BODMAS application. Word problems disguised as BODMAS questions.
Questions with deliberate traps to test if you know the correct sequence
Use the BRACKET-FIRST technique. When you see a complex expression, immediately identify and mark all brackets with different colors or underlines. Solve the deepest nested bracket first, then work outward. This prevents confusion and saves time.
Handle Brackets first. Inside bracket: 15 - 3² = 15 - 9 = 6
Expression becomes 48 ÷ 8 + 3 × 6 + 2
Division first (left to right): 48 ÷ 8 = 6
Expression becomes 6 + 3 × 6 + 2
Multiplication next: 3 × 6 = 18
Expression becomes 6 + 18 + 2
Addition left to right: 6 + 18 + 2 = 26 Final Answer: 26 Another
When dealing with fractions, treat the numerator and denominator as separate BODMAS problems. Solve each completely, then divide.
Students often solve operations left to right without following BODMAS priority. For example, in 2 + 3 × 4, wrong approach gives (2 + 3) × 4 = 20, but correct BODMAS gives 2 + (3 × 4) = 14. Another trap is forgetting that Division and Multiplication are equal priority, same with Addition and Subtraction.
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