Search found 40 matches


Is there another way to solve this?

by blackjack

Fri Aug 19, 2011 5:22 am
Forum: Problem Solving
Topic: Mixture problem using alligation method
Replies: 3
Views: 5693

Manhattan Probability

Renne has a bag of candy. The bag has 1 candy bar, 2 lollipops, 3 jellybeans and 4 truffles. Jack takes one piece of candy out of the bag at random. If he picks a jellybean, he chooses one additional piece of candy and then stops. If he picks any non-jellybean candy, he stops picking immidietely. Af...

by blackjack

Thu Aug 18, 2011 7:11 am
Forum: Problem Solving
Topic: Manhattan Probability
Replies: 9
Views: 3899

Does anybody know on what dates is this 'experimental Integrated Reasoning section' being tested? I don't remember seeing anything of this sort when I signed up? My date is 27 August. Can't find any info on the GMAC website.

by blackjack

Sun Aug 14, 2011 7:00 am
Forum: I just Beat The GMAT!
Topic: Verbal Section destroyed - Can we challenge GMAT score?
Replies: 42
Views: 17503

Non-algebric method needed

A survey of employers found that during 1993 employment costs rose 3.5 percent, where employment costs consist of salary costs and fringe-benefits costs. If salary costs rose 3 percent and fringe-benefit costs rose 5.5 percent during 1993, then fringe-benefit costs represented what percent of employ...

by blackjack

Wed Aug 10, 2011 8:07 am
Forum: Problem Solving
Topic: Non-algebric method needed
Replies: 6
Views: 2021

All of them seem to be incorrect. :(

by blackjack

Tue Aug 09, 2011 8:26 am
Forum: Sentence Correction
Topic: enriched flour
Replies: 12
Views: 2618

If q is Brandon's average monthly usage, then his yearly usage is 12q. Let Jodie's average monthly usage be j, then her yearly usage is 12j. We need to prove 12j is equal to or greater than 12q. #1. Jodie's average monthly usage for 8 months was 1.5q. So total for 8 months was 12q. If her usage was ...

by blackjack

Sun Jul 17, 2011 4:42 am
Forum: Data Sufficiency
Topic: DS Question
Replies: 1
Views: 1182

The third-side rule of triangles states that the third side of any triangle must be less than the sum of the lengths of the other 2 sides. This logic extends to any polygon: The last side of any polygon must be less than the sum of the lengths of the other sides. Thanks Mitch, Didn't think of it th...

by blackjack

Sun Jul 17, 2011 4:24 am
Forum: Problem Solving
Topic: A quickier way ?
Replies: 7
Views: 5541

Hey,
'However much' is an idiom, meaning 'as much as'. So it does not involve any counting of parents here.

'Despite the fact that parents in johannson's district may agree that'- here fact and may do not go together, so it is incorrect.

Hope this helps.

by blackjack

Sat Jul 16, 2011 8:33 am
Forum: Sentence Correction
Topic: SC
Replies: 1
Views: 964

It was decided by us that the emphasis would be placed on the results that might be attained. a) We decided that the emphasis would be placed on the results that might be attained.- correct b) We decided to emphasize the results that might be attained. - changes the meaning of the sentence. The orig...

by blackjack

Sat Jul 16, 2011 8:24 am
Forum: Sentence Correction
Topic: SC
Replies: 1
Views: 928

E is the clear winner, because the judge may have favored women in 60% of the cases, but E clearly points out that the women should have won in more than 60% cases.

by blackjack

Thu Jul 14, 2011 7:34 am
Forum: Critical Reasoning
Topic: Some people have questioned
Replies: 3
Views: 1542

From STMT (1) IF x=y=1, then x+y=2, xy=1 IF x=y=2, then x+y=4, xy=4 IF x=y=3, then x+y=6, xy=9 NOT SUFFICIENT FROM STMT (2) x+y > x^2+y^2 x+y > (x+y)^2 + 2xy x+y > 2xy so we can infer that x+y > xy SUFFICIENT Hence the answer is b wouldnt the red coloured equation be ](x+y)^2 - 2xy Hi, I guess that...

by blackjack

Thu Jul 14, 2011 7:24 am
Forum: Data Sufficiency
Topic: Divisibility Problem
Replies: 8
Views: 1298

Hi Mitch, will it also be okay if do the following:
multiply 333*8=2664
and then add 33+3= 36 to it= 2700.

Somehow seems simpler and more obvious then subtracting 300 and 330.

by blackjack

Thu Jul 14, 2011 7:10 am
Forum: Problem Solving
Topic: 2 Series
Replies: 6
Views: 7934

C. It explains why the older rats were faster as compared to the younger rats.

by blackjack

Thu Jul 14, 2011 6:27 am
Forum: Critical Reasoning
Topic: Rats experimenet!!
Replies: 3
Views: 1253

Thanks Brian, I have been reviewing my errors and most of them are careless mistakes. I'm going to start working on the checklist suggested by you right away! Thanks, guys! And since you like that idea I'll tell you exactly what I did - I had a five-point checklist of the easy-to-make mistakes that ...

by blackjack

Wed Jul 13, 2011 5:49 am
Forum: Problem Solving
Topic: Silly mistakes
Replies: 7
Views: 1607

Sign up for Beat the GMAT 60 day plan. They give a topic wise break-up and a pretty solid plan.

by blackjack

Tue Jul 12, 2011 10:15 am
Forum: GMAT Math
Topic: OG 12th ed Query
Replies: 3
Views: 1976