Search found 110 matches
To [email protected] & GMATGuruNY, I understand your workings and the explanation for this problem but I have a doubt. When I read the question, the following sentence lead me to this understanding:- "A certain population of bacteria doubles every 10 minutes". So, I understood it as below:- Time Populat...
Guys, I need your help in the proportion topic.
What is direct proportionality,inverse proportionality and linear growth means? Please give some examples.
Really appreciate the help as I'm pretty weak in this area.
A certain population of bacteria doubles every 10 minutes.If the number of bacteria in the population initially was 10^4, what was the number in the population 1 hour later?
Thank you in advance.
Working alone, printers X,Y, Z can do a certain printing job, consisting of a large number of pages, in 12, 15, and 18 hours, respectively. What is the ratio of the time it takes printer X to do the job, working alone at its rate, to the time it takes printers Y and Z to do the job, working together...
Got it.Thank you very much.
By the way, I noticed that your test date is on 20th August 2012. I wish you all the best for your exam.
At a certain company, two-seventh of the managers attended the company's annual meeting, and one-half of them were females. If one-tenth of the managers who did not attend the annual meeting were females, what fractional part of the total number of managers were males? Solution from the book:- No. o...
If x-2/x-5=x, then what is the value of x^2-6x+10? Answer is 8. Please check my workings:- x-2=x(x-5) x-2=x^2-5x x^2-5x-x+2 x^2-6x+2 (I understand how they got 8(difference btw 10 & 2.But,it confuses because the question is asking for the value of x^2-6x+10 so how do I make the connection with x^2-6...
If y=4+(x-3)^2, then y is least when x
Answer is D.
I don't understand what the question is asking. Can someone explain, please?
Thank you very much, Sir. I understand the usage of x>49 in this question now. That's an easier way to solve the question.
By the way, without using "x > 49" how can I eliminate the square root?
Thank you in advance.
Hi Mr.Anurag, Let the total weekly sales = $S (here both salespersons A and B earn the same amount) Then 360 + 6% of (S - 1000) = 8% of S 360 + 0.06(S - 1000) = 0.08S 360 + 0.06S - 60 = 0.08S 0.02S = 300 S = $15,000 The correct answer is C As per your workings, why can't 360 + 6% of (S + 1000) = 8% ...
Hi eagleeye, I'm having problem with one of the questions that you solved for me on 28th July.It's question 1.Below is the question together with your workings:- 1)(x-5âˆšx-14) /(âˆšx-7) To make the question easier to solve, since x is under sqrt, let sqrt(x) = a. Then, x = a^2. Now, the expression ...
Can anyone understand the below question
The function *x returns the value of the highest integer smaller than x.What is *4 times*2.5?
Answer is C.