## Search found 171 matches

#### Smallest Common Multiple

###### Problem Solving

251*1

251*2

by rajeshsinghgmat

Wed Sep 04, 2013 6:08 am
Forum: Problem Solving
Topic: Smallest Common Multiple
Replies: 42
Views: 22308

#### square picture

###### Problem Solving

4*{(36/4)-2*1}

= 4*(9-2)

= 4*7

= 28

by rajeshsinghgmat

Tue Sep 03, 2013 7:00 am
Forum: Problem Solving
Topic: square picture
Replies: 24
Views: 17727

#### Probability - 10 marbles

###### Problem Solving

(1/4)*(1/9)*(1/7)*2=1/126

by rajeshsinghgmat

Sat Aug 17, 2013 3:20 pm
Forum: Problem Solving
Topic: Probability - 10 marbles
Replies: 143
Views: 49313

#### og math # 130

###### Problem Solving

11/{(15*18)/(15+18)}=22/15

by rajeshsinghgmat

Tue Aug 13, 2013 7:20 pm
Forum: Problem Solving
Topic: og math # 130
Replies: 132
Views: 51575

#### How many triangles on the coordinate plane

###### Problem Solving

9C3-3*2-2*1=76

3*2 for 2 sets of 3 parallel lines.

2*1 for the 2 diagonals.

by rajeshsinghgmat

Tue Aug 13, 2013 6:25 pm
Forum: Problem Solving
Topic: How many triangles on the coordinate plane
Replies: 131
Views: 73805

#### Apes are our friends

E is not mentioned in any of the paragraphs.

by rajeshsinghgmat

Sat Aug 03, 2013 12:25 am
Topic: Apes are our friends
Replies: 69
Views: 37871

#### Spicy

###### Sentence Correction

E

by rajeshsinghgmat

Fri Aug 02, 2013 5:20 am
Forum: Sentence Correction
Topic: Spicy
Replies: 151
Views: 63769

#### Speed limit - long one!

###### Sentence Correction

Did it.

by rajeshsinghgmat

Thu Aug 01, 2013 7:55 am
Forum: Sentence Correction
Topic: Speed limit - long one!
Replies: 282
Views: 98110

#### f is defined by f (n) = k a^n

###### Data Sufficiency

E

a^2-4=0

a=2,-2

by rajeshsinghgmat

Wed Jul 31, 2013 4:24 am
Forum: Data Sufficiency
Topic: f is defined by f (n) = k a^n
Replies: 3
Views: 1207

#### Grockit tough problem

###### Problem Solving

(D) (1, 3)

by rajeshsinghgmat

Wed May 08, 2013 6:20 pm
Forum: Problem Solving
Topic: Grockit tough problem
Replies: 18
Views: 9871

#### Inequality

###### Data Sufficiency

x=1/2 and x=-1/2

by rajeshsinghgmat

Tue May 07, 2013 12:22 am
Forum: Data Sufficiency
Topic: Inequality
Replies: 23
Views: 8715

#### Problem Solving - Factorization Question??

###### Problem Solving

(B) 27

by rajeshsinghgmat

Mon May 06, 2013 1:28 am
Forum: Problem Solving
Topic: Problem Solving - Factorization Question??
Replies: 18
Views: 8871

#### Y/N DS - Hundredth Digit

###### Data Sufficiency

let the three digit numbers be 345 and 354

345+150=495 and 345+25=370

254+150=404 and 254+25=279

by rajeshsinghgmat

Sun May 05, 2013 1:12 am
Forum: Data Sufficiency
Topic: Y/N DS - Hundredth Digit
Replies: 15
Views: 8543

#### down the rivers

###### Problem Solving

(A) 1 1/2

speed=distance/time

time=distance/speed

(time)*(speed)=distance

T_up=2*T_down

1/(b-w)=2/(b+w)

(b+w)/(b-w)=2
b+w=2b-2w
b=3w
w=b/3

b=4 1/2 = 9/2

w=(1/3)*(9/2)=3/2

w= 3/2 = 1 1/2

by rajeshsinghgmat

Sat May 04, 2013 5:29 pm
Forum: Problem Solving
Topic: down the rivers
Replies: 13
Views: 7411