Page 1 CPT Section D Quantitative Aptitude Chapter 3 J.P.SHARMA Page 2 CPT Section D Quantitative Aptitude Chapter 3 J.P.SHARMA Inequality tells you about the relative size of two values. Mathematics is not always about "equals"! Sometimes you only know that something is bigger or smaller Example: ABHISHEK and BHARAT have a race, and BHARAT wins! What do we know? We don't know how fast they ran, but we do know that BHARAT was faster than ABHISHEK: BHARAT was faster than ABHISHEK We can write that down like this: Page 3 CPT Section D Quantitative Aptitude Chapter 3 J.P.SHARMA Inequality tells you about the relative size of two values. Mathematics is not always about "equals"! Sometimes you only know that something is bigger or smaller Example: ABHISHEK and BHARAT have a race, and BHARAT wins! What do we know? We don't know how fast they ran, but we do know that BHARAT was faster than ABHISHEK: BHARAT was faster than ABHISHEK We can write that down like this: ? Greater or Less Than ? The two most common inequalities are: ? Symbol Words Example Use > greater than 5 > 2 < less than 7 < 9 ? They are easy to remember: the "small" end always points to the smaller number, like this: ? Greater Than Symbol: BIG > small Page 4 CPT Section D Quantitative Aptitude Chapter 3 J.P.SHARMA Inequality tells you about the relative size of two values. Mathematics is not always about "equals"! Sometimes you only know that something is bigger or smaller Example: ABHISHEK and BHARAT have a race, and BHARAT wins! What do we know? We don't know how fast they ran, but we do know that BHARAT was faster than ABHISHEK: BHARAT was faster than ABHISHEK We can write that down like this: ? Greater or Less Than ? The two most common inequalities are: ? Symbol Words Example Use > greater than 5 > 2 < less than 7 < 9 ? They are easy to remember: the "small" end always points to the smaller number, like this: ? Greater Than Symbol: BIG > small ABHISHEK plays in the under 15 soccer. How old is ABHISHEK? We don't know exactly how old ABHISHEK is, because it doesn't say "equals" But we do know "less than 15", so we can write: Age < 15 • The small end points to "Age" because the age is smaller than 15. Page 5 CPT Section D Quantitative Aptitude Chapter 3 J.P.SHARMA Inequality tells you about the relative size of two values. Mathematics is not always about "equals"! Sometimes you only know that something is bigger or smaller Example: ABHISHEK and BHARAT have a race, and BHARAT wins! What do we know? We don't know how fast they ran, but we do know that BHARAT was faster than ABHISHEK: BHARAT was faster than ABHISHEK We can write that down like this: ? Greater or Less Than ? The two most common inequalities are: ? Symbol Words Example Use > greater than 5 > 2 < less than 7 < 9 ? They are easy to remember: the "small" end always points to the smaller number, like this: ? Greater Than Symbol: BIG > small ABHISHEK plays in the under 15 soccer. How old is ABHISHEK? We don't know exactly how old ABHISHEK is, because it doesn't say "equals" But we do know "less than 15", so we can write: Age < 15 • The small end points to "Age" because the age is smaller than 15.  Or Equal To You can also have inequalities that include "equals", like: Symbol Words Example Use • = greater than or equal to x = 1 • = less than or equal to y = 3 Example You must be 13 or older to watch a movie. The "inequality" is between your age and the age of 13. Your age must be "greater than or equal to 13", which would be written: Age = 13Read More
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