Search found 33 matches


Is X > Y ?

If x^2 > y^2, is x>y?
1) x > |y|
2) |x| > y


OA A

by shrey2287

Mon Sep 24, 2012 8:29 am
Forum: Data Sufficiency
Topic: Is X > Y ?
Replies: 2
Views: 1927

Word Problem

At a certain store, each notepad costs x dollars and each marker costs y dollars. If $10 is enough to buy 5 notepads and 3
markers, is $10 enough to buy 4 notepads and 4 markers instead?
(1) Each notepad costs less than $1.
(2) $10 is enough to buy 11 notepads.

OA E

by shrey2287

Sun Sep 23, 2012 12:32 am
Forum: Data Sufficiency
Topic: Word Problem
Replies: 1
Views: 1163

Nice Solution.Any other approaches.

Regards

by shrey2287

Mon Sep 03, 2012 11:08 pm
Forum: Problem Solving
Topic: Mixtures
Replies: 7
Views: 1438

Mixtures

Some part of a 50% solution of acid was replaced with an equal amount of 30% solution of acid. If, as a result, 40% solution of acid was obtained, what part of the original solution was replaced?

a 1/5
b 1/4
c 1/2
d 3/4
e 4/5

OA: After sometime :P

by shrey2287

Mon Sep 03, 2012 10:46 pm
Forum: Problem Solving
Topic: Mixtures
Replies: 7
Views: 1438

Is XY<= 1/2

Is xy<=1/2?
(1) x^2+y^2=1
(2) x^2-y^2=0

A

by shrey2287

Mon Sep 03, 2012 3:37 am
Forum: Data Sufficiency
Topic: Is XY<= 1/2
Replies: 1
Views: 2740

Are X n Y both positive

Are x and y both positive?
(1) 2x-2y=1
(2) x/y>1

c

by shrey2287

Mon Sep 03, 2012 2:08 am
Forum: Data Sufficiency
Topic: Are X n Y both positive
Replies: 2
Views: 1004

Are X n Y both positive

Are x and y both positive?
(1) 2x-2y=1
(2) x/y>1

c

by shrey2287

Mon Sep 03, 2012 1:51 am
Forum: Data Sufficiency
Topic: Are X n Y both positive
Replies: 1
Views: 791

Inequalities

x2 + y2 = 100. All of the following could
be true EXCEPT
A. |x| + |y| = 10
B. |x| > |y|
C. |x| > |y| +10
D. |x| = |y|
E. |x| - |y| = 5

by shrey2287

Sun Sep 02, 2012 3:05 am
Forum: Problem Solving
Topic: Inequalities
Replies: 2
Views: 1132

Sequence

122. An=An-2+11, n>2. Is 633 in the sequence?
1) A1=39
2) A2=43


OA : A

by shrey2287

Thu Aug 30, 2012 2:26 am
Forum: Data Sufficiency
Topic: Sequence
Replies: 4
Views: 1531

STD Deviation

Is the standard deviation of a certain set greater than
15,000?
1). The range of the set is 25,000
2). The mean of the set is 150,000

OA : A

by shrey2287

Thu Aug 30, 2012 2:14 am
Forum: Data Sufficiency
Topic: STD Deviation
Replies: 3
Views: 961

Work Problem

Mac can finish a job in M days and Jack can finish the same job in J days. After working together for T days, Mac left and Jack alone worked to complete the remaining work in R days. If Mac and Jack completed an equal amount of work, how many days would have it taken Jack to complete the entire job ...

by shrey2287

Wed Aug 29, 2012 7:59 am
Forum: Data Sufficiency
Topic: Work Problem
Replies: 4
Views: 1434

Rates

A bus from city M is traveling to city N at a constant speed while another bus is making the same journey in the opposite direction at the same constant speed. They meet in point P after driving for 2 hours. The following day the buses do the same trip again at the same constant speed. One bus is de...

by shrey2287

Tue Aug 28, 2012 9:44 am
Forum: Problem Solving
Topic: Rates
Replies: 4
Views: 1120

Average

PFA a Gmat prep Average problem.

by shrey2287

Sun Aug 26, 2012 5:46 am
Forum: Data Sufficiency
Topic: Average
Replies: 1
Views: 802

Factorial

Find the value of 1.1! + 2.2! + 3.3! + ......+n.n!

(1) n! +1
(2) (n+1)!
(3) (n+1)!-1
(4) (n+1)!+1
(5) None of these

by shrey2287

Sat Aug 18, 2012 11:51 pm
Forum: Problem Solving
Topic: Factorial
Replies: 2
Views: 1071

Geometry

In triangle ABC, AD is the bisector of |A, AB=10 cm, AC=14 cm and area of triangle ABD = 140 sq cm. Find area of triangle ACD

by shrey2287

Thu Jul 26, 2012 4:06 am
Forum: Problem Solving
Topic: Geometry
Replies: 3
Views: 2573