Solutions
Get detailed explanations to advanced GMAT questions.
Question
Which of the following is equivalent to ((a+b)/2)+ ((a-b)/3)?
Option A:
2a/5
Option B:
5a/6
Option C:
(5a+b)/6
Option D:
(5a+2b)/6
Option E:
(5a-b)/6
Difficulty Level
EasySolution
Option C is the correct answer.
Option Analysis
Just find the LCM (Here cross multiply):
((a+b)/2)+ ((a-b)/3)
= (3(a+b) +2(a-b))/6
= (3a+3b+2a-2b)/6
= (5a+b)/6
Related Questions
- The integers q,r,s,t and u are positive. If t >q , u > r, s >t, and r > s, what is the median of the five integers?
- Each vote in a certain election went to one of the two candidates, x or y. Candidate X received 624 votes…
- If x is an integer greater than 1, is x equal to the 12th power of an integer?
- Color X ink is created by blending red, blue, green and yellow inks in the ratio 6:5:2:2. What is the number…
- In the figure above, what is the length of segment PQ ?