1.'BODMAS'
Rule:
This rule depicts the correct sequence in which the operations are to
be executed, so as to find out the value of given expression.
Here B - Bracket,
O - of,
D - Division,
M - Multiplication,
A - Addition and
S – Subtraction
O - of,
D - Division,
M - Multiplication,
A - Addition and
S – Subtraction
Thus, in simplifying an expression, first of all the brackets must be
removed, strictly in the order (), {} and ||.
After removing the brackets, we must use the following operations
strictly in the order:
(i) of (ii) Division (iii) Multiplication (iv) Addition (v)
Subtraction.
2. Modulus
of a Real Number:
Modulus of a real number a is defined as
|a| = a, if a > 0 and -a, if a < 0
Thus, |5| = 5 and |-5| = -(-5) = 5.
Modulus of a real number a is defined as
|a| = a, if a > 0 and -a, if a < 0
Thus, |5| = 5 and |-5| = -(-5) = 5.
3. Virnaculum
(or Bar):
When an expression contains Virnaculum, before applying the 'BODMAS'
rule, we simplify the expression under the Virnaculum.
Quantitative Aptitude Quizzes and Study Material
Click here for Quantitative Aptitude & Data Interpretation Topics & Formulas
Quantitative Aptitude Quizzes and Study Material
Click here for Quantitative Aptitude & Data Interpretation Topics & Formulas
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