Search found 171 matches

by rajeshsinghgmat

Tue Apr 30, 2013 2:41 am
Forum: Problem Solving
Topic: surface area
Replies: 24
Views: 14841

E the answer.

by rajeshsinghgmat

Tue Apr 30, 2013 2:37 am
Forum: Data Sufficiency
Topic: Sets
Replies: 22
Views: 10662

(C) k
x= (k+(k+2))/2,(k-(k+2))/2

x= k+1,-1

hence the sum of all possible solutions of x is,
S= k+1 +(-1)
S= k

by rajeshsinghgmat

Sun Apr 28, 2013 5:55 am
Forum: Problem Solving
Topic: 300 tough Algebra
Replies: 20
Views: 39581
by rajeshsinghgmat

Sun Apr 28, 2013 2:04 am
Forum: Problem Solving
Topic: BTG practice questions
Replies: 15
Views: 10371

C is the answer.

q is positive.
q > 0

by rajeshsinghgmat

Thu Apr 25, 2013 1:36 am
Forum: Data Sufficiency
Topic: q positive?
Replies: 26
Views: 11461
by rajeshsinghgmat

Wed Apr 24, 2013 5:29 am
Forum: Data Sufficiency
Topic: Number properties - prime factors
Replies: 27
Views: 14342
by rajeshsinghgmat

Wed Apr 24, 2013 5:07 am
Forum: Problem Solving
Topic: BTG Mean Problem
Replies: 22
Views: 11446

D

when the number of terms are same the set with greater range has greater deviation.

for sets with even spaced elements the deviation is same.

by rajeshsinghgmat

Sun Apr 21, 2013 5:08 am
Forum: Data Sufficiency
Topic: Standard deviation
Replies: 24
Views: 16181

(C) 2

k=8n+3

3^1=3, 3^2=9, 3^3=27, 3^4=81, 3^5=243, 3^6=729, 3^7=2187

by rajeshsinghgmat

Sat Apr 20, 2013 12:46 am
Forum: Problem Solving
Topic: PS2
Replies: 11
Views: 8164
by rajeshsinghgmat

Fri Apr 19, 2013 12:40 am
Forum: Data Sufficiency
Topic: Is the integer n odd?
Replies: 26
Views: 12735

(D) 60

Number of ways = (6*5*4*3*2*1)/((3*2*1)*2)


Image

by rajeshsinghgmat

Wed Apr 17, 2013 11:33 pm
Forum: Problem Solving
Topic: six-sided cube and six cans of paint
Replies: 27
Views: 22775
by rajeshsinghgmat

Wed Apr 17, 2013 1:59 am
Forum: Problem Solving
Topic: Challenging DS
Replies: 19
Views: 9935

(D) sqrt(ab)

1/(x+a)+1/(x+b)=1/x

by rajeshsinghgmat

Tue Apr 16, 2013 2:13 am
Forum: Problem Solving
Topic: more than x minutes
Replies: 22
Views: 10937

C the aNSWER.

x=0.2*A + 0.1*(B+C) - 0.15*(A+B+C)

Is x > 0?

x=0.05(A - B - C)

From I

A = 50, B = 20

x=0.05*(30-C)

FROM II

x=0.05*(A-B-15)

by rajeshsinghgmat

Mon Apr 15, 2013 1:13 am
Forum: Data Sufficiency
Topic: Henry purchase 3 items during a sale
Replies: 17
Views: 14492

C the nswer

by rajeshsinghgmat

Sun Apr 14, 2013 2:20 am
Forum: Data Sufficiency
Topic: Cars
Replies: 31
Views: 14298