GRE Math : How to divide odd numbers

Study concepts, example questions & explanations for GRE Math

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Example Questions

Example Question #1 : How To Divide Odd Numbers

What are three consecutive odd integers whose sum equals ?

Possible Answers:

Correct answer:

Explanation:

Set up the equation,

 .  

Simplify to  and solve for x to find .  

Therefore the 3 consecutive odd integrers are .

 

 

Example Question #2 : How To Divide Odd Numbers

Assume  and  are both odd whole numbers and .

What is a possible solution for ?

Possible Answers:

Correct answer:

Explanation:

The two requirements for this problem are that both  and  must be odd, and that . The only answer that fits both of these is . The other answers show either  or  is an even number.

Example Question #21 : Even / Odd Numbers

Solve for :

Possible Answers:

Correct answer:

Explanation:

To solve, divide both sides of the equation by :

As a check, if you divide an odd number by another odd number, your result should be odd. 

Example Question #22 : Even / Odd Numbers

Solve for :

Possible Answers:

Correct answer:

Explanation:

To solve, isolate your variable by dividing both sides of the equation by :

Example Question #2 : How To Divide Odd Numbers

Solve for :

Possible Answers:

Correct answer:

Explanation:

To solve, first isolate your variable by dividing both sides of the equation by :

As a check, if you divide an odd number by another odd number, your result should be odd. 

Example Question #3 : How To Divide Odd Numbers

Solve for :

Possible Answers:

Correct answer:

Explanation:

To solve, divide both sides of the equation by :

As a check, if you divide an odd number by another odd number, your result should be odd. 

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