Search found 137 matches
remainders and divisibility
If x and y are integers, what is the remainder when x^2 + y^2 is divided by 5?
1) x-y divided by 5 the remainder is 1
2) x+y divided by 5 the remainder is 2
- by Amrabdelnaby
Mon Jan 11, 2016 4:04 am- Forum: GMAT Math
- Topic: remainders and divisibility
- Replies: 1
- Views: 1951
Marty, The reason why I thought it would be insufficient is that the statement said greater than or equal. for example b can be any number greater than 50. it can be 500. same goes with c! the other way to think about it, is to say when the minimum value for b is 50, the minimum value for c is 100; ...
- by Amrabdelnaby
Mon Jan 11, 2016 3:48 am- Forum: Problem Solving
- Topic: rates, productivity and labor cost
- Replies: 4
- Views: 2039
R and S scale
A certain quantity is measured on 2 different scales, R scale and S scale that are related linearly. Measurements on R scale of 6 and 24 corresponds to measurements on the S scale of 30 and 60, respectively.what measurement on the R scale corresponds to measurement of 100 on the S scale? 20 36 48 60...
- by Amrabdelnaby
Sun Jan 10, 2016 4:25 pm- Forum: Problem Solving
- Topic: R and S scale
- Replies: 2
- Views: 1615
rates, productivity and labor cost
Hi Pros, COuld you please explain to me the logic behind this question? coz when i plugged in numbers i found the answer is E! At RW Press, the advertising rate, a, is inversely proportional to the productivity measure, b, which, in turn, is inversely proportional to the labor cost, c. Is the labor ...
- by Amrabdelnaby
Sun Jan 10, 2016 8:14 am- Forum: Problem Solving
- Topic: rates, productivity and labor cost
- Replies: 4
- Views: 2039
Hi Guru and Brent, I think I can solve it as well without neither venn nor double matrix. I remember that Guru solved a similar one before using a simple equation: total yes = yes M + yes R - yes both total yes = 500 + 400 - 300 = 600 hence not yes is equal to 200 i got yes both by subtracting yes m...
- by Amrabdelnaby
Sat Jan 09, 2016 2:33 pm- Forum: Problem Solving
- Topic: Tough one!
- Replies: 5
- Views: 3124
Hi Brent, I am very well aware of the double matrix method, yet i did not use it in here because i got bugged by the fact that there are 3 scenarios not only 2. I didn't think of the fact that I could merge no and not sure into one scenario. Thanks for the enlightenment. ----------------YES---------...
- by Amrabdelnaby
Sat Jan 09, 2016 11:40 am- Forum: Problem Solving
- Topic: Tough one!
- Replies: 5
- Views: 3124
- by Amrabdelnaby
Sat Jan 09, 2016 10:34 am- Forum: Problem Solving
- Topic: Tough one!
- Replies: 5
- Views: 3124
Hi Jain, Which refers to the books not to Chetan. the sentence is basically saying the books of ( some person), which (abt the books) are bla bla bla, are more popular. so here the message is saying the books are more popular; which here refers to the books; it is describing the books, red and blue....
- by Amrabdelnaby
Sat Jan 09, 2016 3:49 am- Forum: Sentence Correction
- Topic: Chetan Bhagat
- Replies: 8
- Views: 2945
factorization
Hello Pros, My questions is regarding statement 1 What is the value of 5x^2 +1? 1) x^3 - x^2 - 9x + 9 = 0 my approach yielded that it is sufficient; however the OA says that it is not. Here is what I did x^2(x-1) -9(x-1) = 0 x^2(x-1) = 9(x-1) divide both sides by x-1 x^2 = 9 hence 5x^2 +1 = 46 the O...
- by Amrabdelnaby
Fri Jan 08, 2016 4:40 pm- Forum: GMAT Math
- Topic: factorization
- Replies: 3
- Views: 2448
Number 124 is B not E. I revised it again today. Took me 19 min to crack I think the answers are C C B A E D A C Right? Got completely bowled over by this. Though got 1st 3 questions right but could not comprehend the passage as a whole. Can some one help with explanations. Jon Clark’s study of th...
- by Amrabdelnaby
Fri Jan 08, 2016 8:46 am- Forum: Reading Comprehension
- Topic: Jon Clark's Theory
- Replies: 3
- Views: 2690
Parallelism Remove the fluff and then u must have the following Can have ........ and can last......... Hi Experts , A typical intervention can have several customer interaction points such as training workshops, coaching , on the job training, and lasting from four to six months. Experts please adv...
- by Amrabdelnaby
Thu Jan 07, 2016 4:45 pm- Forum: Sentence Correction
- Topic: typical intervention
- Replies: 4
- Views: 1890
I thought about b and c for sometime then I decided to remove the fluff in both sentences and look at them like this: Its ability to attract and to convince vs whether it can attract and convince The second one (c) seemed more appealing and correct I see ur concern that c might have a double meaning...
- by Amrabdelnaby
Thu Jan 07, 2016 4:42 pm- Forum: Sentence Correction
- Topic: doubt SC A 7
- Replies: 4
- Views: 2363
[squote="Marty Murray"] Please give me a reason to eliminate option B. I totally agree, yet I have a Question. How come answer d says "factors than indicate" shouldn't it say "factors that indicate"? Or was that just a typo? The sentence is about inflation being one of ...
- by Amrabdelnaby
Thu Jan 07, 2016 4:27 pm- Forum: Sentence Correction
- Topic: Economists
- Replies: 6
- Views: 2283
When "that" is an object we can eliminate it but when it's a subject we have to keep it Here it was an object so it was ok to eliminate it Also option b was redundant; a conveyed the same message in a more concised way. Please explain why B is wrong A point is a LOCATION. In B, the LOCATIO...
- by Amrabdelnaby
Thu Jan 07, 2016 4:11 pm- Forum: Sentence Correction
- Topic: Handwriting analysis has recently been boosted by the invent
- Replies: 2
- Views: 1523
I'm surprised that it is b. it defies the rules of parallelism! I also thought its d actually? R u sure abt the OA? Be it for losing weight, improving muscle tone, or to widen their social circle, Americans are flocking to gyms like never before. A) Be it for losing weight, improving muscle tone, or...
- by Amrabdelnaby
Thu Jan 07, 2016 2:49 pm- Forum: Sentence Correction
- Topic: IT and THEIR
- Replies: 3
- Views: 1553