## Search found 20 matches

#### Sum of positive integers x and y is 72

###### Data Sufficiency

II.

is GMAT is checking that Unit digits of both are 0

i mean 08, 09... because no other options have same Tens digit

Sat Oct 10, 2009 6:58 am
Forum: Data Sufficiency
Topic: Sum of positive integers x and y is 72
Replies: 8
Views: 8571

#### if X>1 and Y>1, is X<Y?

###### Data Sufficiency

I also go with B

Sat Aug 08, 2009 5:07 am
Forum: Data Sufficiency
Topic: if X>1 and Y>1, is X<Y?
Replies: 9
Views: 6297

#### RECRUITS

##### RECRUITS

can anybody explain this ?

OA : C

Fri Aug 07, 2009 8:35 am
Forum: Data Sufficiency
Topic: RECRUITS
Replies: 7
Views: 1074

#### gmat prep DS

###### Data Sufficiency

I go with A....

Fri Aug 07, 2009 6:32 am
Forum: Data Sufficiency
Topic: gmat prep DS
Replies: 12
Views: 1456

#### group

###### Data Sufficiency

1) we need numbers

2) 22 persons out of 55% of T, are supporting flat tax. but we need total number of persons in a group. They can be any numbers, 100, 200, etc. so we don't know how much % of 55% of T these 22 persons represent.

Fri Aug 07, 2009 6:11 am
Forum: Data Sufficiency
Topic: group
Replies: 3
Views: 860

#### circle

###### Problem Solving

Agreed w/ 1. Answer is C. For #2. We are left with an equalateral triangle that has radius 32 extending to the center from each point. Picture this as 3 triangles. Break again in 6 seperate triangles, which are now 30-60-90 w/ hypotenuse of 32. Solve from there. Answer is 768rt3. Each smaller trian...

Fri Aug 07, 2009 5:59 am
Forum: Problem Solving
Topic: circle
Replies: 6
Views: 1221

###### Problem Solving

Case 1 - 5 heads: (6/10)^5 * (4/10) = (6^5 * 4)/(10^6) Case 2 - 6 heads = (6^6)/(10^6) Adding the two cases gives us (6^5)/(10^5) which can be simplified to (3/5)^5...or (0.6)^5 Whats the OA? Thanks. Could you please elaborate how you got (3/5)^5...or (0.6)^5 after adding the two cases? I added the...

Fri Aug 07, 2009 5:49 am
Forum: Problem Solving
Replies: 14
Views: 1420

#### TWO TRIANGLES IN A RECTANGLE

##### TWO TRIANGLES IN A RECTANGLE

OA - A

Thu Aug 06, 2009 6:10 pm
Forum: Data Sufficiency
Topic: TWO TRIANGLES IN A RECTANGLE
Replies: 3
Views: 771

#### Flags

###### Problem Solving

is it 24 ?

Thu Aug 06, 2009 4:45 pm
Forum: Problem Solving
Topic: Flags
Replies: 5
Views: 1211

#### Kth term

###### Problem Solving

PussInBoots wrote:1/2 - 1/4 + 1/8 - 1/16 + 1/32 - 1/64 + ... = 1/4 + 1/16 + 1/64 + 1/256 + 1/ 1024

1/4 < ... < 1/2
How you got 1/4 and 1/2 at the end...could you please explain it in detai....

Thanks.

Thu Aug 06, 2009 3:06 pm
Forum: Problem Solving
Topic: Kth term
Replies: 5
Views: 981

#### Kth term

###### Problem Solving

Thu Aug 06, 2009 11:26 am
Forum: Problem Solving
Topic: Kth term
Replies: 5
Views: 981

#### OG 11th - Problem Solving Question 20

###### Problem Solving

this is typo........

check the position on point E...its not at 2, its between 1 and 2, while point A is exactly at -2.

Thu Aug 06, 2009 7:42 am
Forum: Problem Solving
Topic: OG 11th - Problem Solving Question 20
Replies: 1
Views: 707

#### TIME AND WORK

###### Problem Solving

i think its 15 days, choice B. because that is the only option I see, where B is 3 times A (15 days to 5 days) and difference is of 10 days.

Thu Aug 06, 2009 5:59 am
Forum: Problem Solving
Topic: TIME AND WORK
Replies: 3
Views: 775

#### if a>b>0, then sqrt a^2 + b^2

###### Problem Solving

use formula of a^2 - b^2

its (a+b)(a-b)

Wed Aug 05, 2009 6:26 pm
Forum: Problem Solving
Topic: if a>b>0, then sqrt a^2 + b^2
Replies: 8
Views: 14956

#### Question of the Day - 5th August, 2009

###### Problem Solving

whether order is important?