Search found 13 matches


Re: GMAT hacks math bible

Hi, I have a general question. Has anyone on this forum used the Total GMAT Math ( a.k.a. GMAT hacks math bible) and scored above a 700 because of it? I am looking to make the jump from 660 to 700+ and quant has always been my biggest problem. But I have read very few posts on this forum discusing ...

by raka3399

Sat Sep 05, 2009 7:27 am
Forum: GMAT Math
Topic: GMAT hacks math bible
Replies: 6
Views: 7424

Guys i am thinking about buying Total GMAT Maths book ...

Howdy fellow GMAT crusaders !! I've been seriously contemplating buying this book by Jeff from GMAT Hacks for a while now, not too sure about its content ... well i am looking to clear my concepts on all the topics tested on the GMAT with some insights into how to solve GMAT sums in a jiffy !!! If t...

by raka3399

Thu Sep 03, 2009 8:25 am
Forum: GMAT Math
Topic: GMAT materials
Replies: 7
Views: 5823

Re: Could some one help me with the pdf of .....

raka3399 wrote:i am looking for Total Gmat maths formerly known as GMAT math bible by Jeff Sackmann / GMAT HACKS

Many thanks[/quot]

hello there i am a total newbiew to this forum ... this wont be repeated ... thanks for the suggestions

by raka3399

Sat Aug 29, 2009 10:35 am
Forum: GMAT Math
Topic: Could some one help me with the pdf of .....
Replies: 2
Views: 1826

Could some one help me with the pdf of .....

i am looking for Total Gmat maths formerly known as GMAT math bible by Jeff Sackmann / GMAT HACKS

Many thanks

by raka3399

Sat Aug 29, 2009 7:25 am
Forum: GMAT Math
Topic: Could some one help me with the pdf of .....
Replies: 2
Views: 1826

There is a difference between 3^(4n+3) and 3^4n + 3. Assuming it's 3^(4n+3): n=1, 3^(4n+3) = 3^7 = 2187 (remainder of 2) n=2, 3^(4n+3) = 3^11 = 117147 (remainder of 2) So yes, you are right. Because of the coefficient of 4, each increase of 1 in n, makes the exponent jump four spots in the 3,9,7,1 ...

by raka3399

Wed Aug 26, 2009 1:07 pm
Forum: Problem Solving
Topic: Divisibility and Remainder !
Replies: 5
Views: 1522

Re: Divisibility and Remainder !

raka3399 wrote:What is the remainder of 3^4n+3 divided by 5 ???

how best to solve such sums efficiently?
Jake , letz assume that n is positive as in 1,2,3,4....

doesn't it make 3^4n+3 have a 7 as its unit digit giving a remainder of 2 when divided by 5 ALWAYS!!!

correct me if am wrong !!

Thanks

by raka3399

Wed Aug 26, 2009 9:37 am
Forum: Problem Solving
Topic: Divisibility and Remainder !
Replies: 5
Views: 1522

Divisibility and Remainder !

What is the remainder of 3^4n+3 divided by 5 ???

how best to solve such sums efficiently?

by raka3399

Tue Aug 25, 2009 12:11 pm
Forum: Problem Solving
Topic: Divisibility and Remainder !
Replies: 5
Views: 1522

need more help

well agreed that adverb modifies a verb .... what i need to know is the placement of the adverb in a grammatical construstion .... which of the 2 sounds better ..... I am now going to the market OR Now i am going to the market . My understanding is ... now comes after the main verb . correct me if a...

by raka3399

Sun Aug 16, 2009 1:08 pm
Forum: Sentence Correction
Topic: Adverb concet
Replies: 3
Views: 1320

Adverb concet

Can some one help me with the adverb concept?

Is it that adverb always comes after the main verb in a sentence

Ex: I am (main verb) now (adverb) going to the market.

Thanks

by raka3399

Sun Aug 16, 2009 10:13 am
Forum: Sentence Correction
Topic: Adverb concet
Replies: 3
Views: 1320

Private tutoring with Knewton

hello Jose, Must say that knewton does look very promising to me . I was wondering if private tutoring would be available with knewton ! Also ... i was at a 550 on my gamt prep a month back would that be considered my baseline score for the 50 pts guaranteed improvement on the actual GMAT . By the w...

by raka3399

Sat Aug 15, 2009 11:46 am
Forum: Ask a Knewton representative
Topic: Private tutoring with Knewton
Replies: 1
Views: 1668

Practise makes a man perfect!!

Well all i have to say is that Practise hard buddy .... tats the only way to improve on ur quant skills .... make sure to brush up ur basics of maths .... u'll do alright .... no worries juz lotsa practise ... !!!

by raka3399

Tue Aug 11, 2009 12:50 am
Forum: GMAT Math
Topic: Smoked on diagnostic for quant
Replies: 3
Views: 1680

trying using 4 or 5

Hi , Any integer when divided by 4 or 5 results in terminating decimal. the possibility for division by 4 are limited and are .25, .5 and .75 the possibility for division by 5 are 0.2,0.4,0.6,0.8 needless to say that 4 and 5 can divide an interger evenly as well ,leaving behind no remainder otherwis...

by raka3399

Mon Aug 10, 2009 3:58 am
Forum: GMAT Math
Topic: Terminating decimals
Replies: 3
Views: 1959

GMAT Focus Score

Hello Friends, Recently i purchased the Gmat math diagonostic test called gmat focus from mba.com ... I got a scaled score in the range of 45-49 . how representive is this score on the actual exam? also ..my excution time on each qts was very high ... around 160 sec per qts ... !!!! how can i reduce...

by raka3399

Sun Aug 09, 2009 6:54 am
Forum: GMAT Math
Topic: GMAT Focus Score
Replies: 0
Views: 1655