Search found 26 matches


gmat_tutor

Have you studied Powerscore CR bible?

I want to study it.

Please comment on this book.

Thanks in advance.

by m51v50

Sun Dec 05, 2010 1:15 am
Forum: I just Beat The GMAT!
Topic: Third attempt 740 (Q50, V39)
Replies: 15
Views: 6656

PLease explain every option!!

Researchers agreed that the study of new treatments for heart attack patients was extremely important but more research was needed to determine that balloon angioplasty preceded with ultrasound was or was not any better for heart attack patients than the balloon procedure by itself. A. more research...

by m51v50

Thu Jun 04, 2009 10:11 am
Forum: Sentence Correction
Topic: PLease explain every option!!
Replies: 1
Views: 1946

In the Champagne region of France, wine growers still harvest grapes as they have done for centuries, by carefully handpicking their crop and storing their precious fruit in specially aged casks. A) wine growers still harvest grapes as they have done B) the wine grower still harvests grapes as he wa...

by m51v50

Mon Jan 26, 2009 6:53 am
Forum: Sentence Correction
Topic: WINE GROWERS- DOUBT ABOUT ACTIVE/ PASSIVE
Replies: 5
Views: 1641

A good ps@

How many natural numbers not exceeding 4321 can be formed ith digits 1,2,3,4 if digits can repeat?

by m51v50

Mon Jan 26, 2009 6:17 am
Forum: Problem Solving
Topic: A good ps@
Replies: 2
Views: 1001
by m51v50

Tue Aug 05, 2008 7:42 am
Forum: Problem Solving
Topic: Good ps please help!!
Replies: 2
Views: 1147

Good ps please help!!

If 2^(-2m) + 2^(-m)-6=0, what is the value of 2^m?

by m51v50

Tue Aug 05, 2008 4:36 am
Forum: Problem Solving
Topic: Good ps please help!!
Replies: 2
Views: 1147

Some people are of the opinion that the police is incapable of curbing crime successfully because they have limited power. (A) the police is incapable of curbing crime successfully because they have limited power. (Police is plural) (B) because the police have limited power, they are incapable of cu...

by m51v50

Sun Jul 13, 2008 11:14 am
Forum: Sentence Correction
Topic: Crime - they vs it
Replies: 13
Views: 3965

Aggregate nouns are similar to collective nouns in that they refer to single collections that are made up of similar individual parts. For example, mail and radio are both individual components of communications. However, nlike collective nouns, aggregate nouns usually use plural verb forms and have...

by m51v50

Sun Jul 13, 2008 11:09 am
Forum: Sentence Correction
Topic: Crime - they vs it
Replies: 13
Views: 3965

Is |a| + |b| > |a + b| ?

(1) a^2 > b^2

(2) |a| × b < 0

Stem1:
Not suff as we can't say which one is -ve or +ve.

Stem2:
ab<0, meaning that b is negative. But a may be +ve or -ve. NOT SUFF.

1+2:
Still we are not sure whether a is +ve or -ve. NOT SUFF.

Answer is E.

by m51v50

Sun May 25, 2008 5:33 am
Forum: Data Sufficiency
Topic: Inequalities (Pos/Neg): Is |a| + |b| > |a + b| ?
Replies: 3
Views: 1591

Stem1: 2x-2y=1 =>x-y=1/2…………(1). NOT SUFF as it does not say about the values of x and y. Stem2: x/y >1………..(2). NOT SUFF as both x and y may be positive or negative. 1+2: Start with the equation (2) x-y = ½ x=1/2 +y x/y = 1/2y +1 [ divide both the sides by y] As x/y>1, 1/2y +1>1 => 1/2y>0 =>y>0. A...

by m51v50

Sun May 25, 2008 4:16 am
Forum: Data Sufficiency
Topic: GMATPrep DS
Replies: 2
Views: 1386

A good ds@

If –2x > 3y, is x negative?
(1)y > 0
(2) 2x + 5y – 20 = 0

by m51v50

Sun May 25, 2008 4:08 am
Forum: Data Sufficiency
Topic: A good ds@
Replies: 5
Views: 1812

Solution:
&#8730;[(3&#8730;80 +3/(9+4&#8730;5)]
=&#8730;[12&#8730;5 +27-12&#8730;5]
=&#8730;27
=3&#8730;3
Answer is 3&#8730;3.

by m51v50

Wed May 21, 2008 10:01 am
Forum: Problem Solving
Topic: Can you solve this in 2 mins?
Replies: 9
Views: 2086

Solution:
10^3 = 1000
0.01^3=0.000001
1000/0.000001 =1000×1000000=10^3×10^6 =10^9.

by m51v50

Wed May 21, 2008 9:43 am
Forum: Problem Solving
Topic: Section II Q 13
Replies: 4
Views: 1369

Area of F+M = (pi)r^2

Area of M only = (r-s)^2pi

Area of the Frame =(pi)r^2 - (r-s)^2pi
=(pi)r^2 - {(r^2 - 2rs +s^2)pi}
=Pi (r^2 -r^2+2rs-s^2)
=(Pi)s(2r -s)
So, the answer is (pi)s(2r-s).

Hope this help.

by m51v50

Sun May 18, 2008 12:43 am
Forum: Problem Solving
Topic: GMAT Prep2?? (Medallion)
Replies: 1
Views: 1210

The easiest way: .......I......I........I..........I..............I 140 140 140 Now, 124*5=620-140*3=200 So, ..........I..........I.............i...............i..............i 100 100 140 140 140 The reatest possible length of the shortest piece is 100. Hope, this helps.

by m51v50

Sun May 18, 2008 12:23 am
Forum: Problem Solving
Topic: GMAT Prep2?? (Median and Average)
Replies: 4
Views: 1453