BODMAS Video Lecture | Mathematics (Ganita Prakash) Class 7 - New NCERT

FAQs on BODMAS Video Lecture - Mathematics (Ganita Prakash) Class 7 - New NCERT

1. What does BODMAS stand for?
Ans. BODMAS is an acronym that stands for Brackets, Orders (i.e., powers and square roots, etc.), Division, Multiplication, Addition, and Subtraction. It is a rule used to determine the order of operations in mathematical expressions.
2. Why is BODMAS important in mathematics?
Ans. BODMAS is important because it provides a clear guideline on the sequence in which operations should be performed in order to arrive at the correct answer in calculations. Without following this order, two people might solve the same mathematical expression and arrive at different results.
3. Can you provide an example of how to apply BODMAS?
Ans. Certainly! For example, to solve the expression 3 + 6 × (5 + 4) ÷ 3 - 7, you would first solve the brackets (5 + 4 = 9), then perform the multiplication (6 × 9 = 54), followed by the division (54 ÷ 3 = 18), and lastly, the addition and subtraction (3 + 18 - 7 = 14). The final answer is 14.
4. What happens if the BODMAS rule is not followed?
Ans. If the BODMAS rule is not followed, the result of a mathematical expression can be incorrect. For instance, in the expression 8 + 2 × 5, if you add first (8 + 2 = 10) and then multiply (10 × 5 = 50), you would get an incorrect answer. The correct approach is to multiply first (2 × 5 = 10) and then add (8 + 10 = 18), leading to the correct answer of 18.
5. Are there any exceptions to the BODMAS rule?
Ans. There are no exceptions to the BODMAS rule itself, but it is important to note that some mathematical expressions can be ambiguous without proper use of parentheses. To avoid such ambiguities, it is always best to clearly indicate the order of operations using brackets when necessary.
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