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algebra

If xy+z=x(y+z), which of the following must be true.
1.x=0 and z=0
2.x=1 and y=1
3.y=1 and z=1
4.x=1 or y=0
5.x=1 or z=0
OA is E

by ash4gmat

Sun Aug 28, 2016 6:26 am
Forum: Problem Solving
Topic: algebra
Replies: 4
Views: 863

David if 4 permanent employees have no significance then why it is mentioned in the question? Dear Experts, The question posted by me mentions of how many of the possible groups of 4 TEMPORARY employees consist of 3 women and 1 man. We dont know what is the breakup of man & woman for temporary emplo...

by ash4gmat

Sun Aug 28, 2016 6:18 am
Forum: Problem Solving
Topic: no of groups
Replies: 9
Views: 1654

Experts comment please.

ash4gmat wrote:Dear Experts,

The question posted by me mentions of how many of the possible groups of 4 TEMPORARY employees consist of 3 women and 1 man.

We dont know what is the breakup of man & woman for temporary employees after 4 are made permanent.

by ash4gmat

Sun Aug 28, 2016 5:42 am
Forum: Problem Solving
Topic: no of groups
Replies: 9
Views: 1654

ratio

If m,r,x,and y are positive, is the ratio of m to r equal to the ratio of x to y?

1.ratio of m to y is equal to ratio of x to r
2.ratio of m+x to r+y is equal to ratio of x to y.

OA is B

by ash4gmat

Sun Aug 28, 2016 2:43 am
Forum: Data Sufficiency
Topic: ratio
Replies: 2
Views: 703

Dear Experts,

The question posted by me mentions of how many of the possible groups of 4 TEMPORARY employees consist of 3 women and 1 man.

We dont know what is the breakup of man & woman for temporary employees after 4 are made permanent.

by ash4gmat

Sun Aug 28, 2016 2:22 am
Forum: Problem Solving
Topic: no of groups
Replies: 9
Views: 1654

no of groups

Q.Of the 12 temp employees in a certain company,4 will be hired as perm employees.If 5 of the 12 temp employees are women,how many of the possible groups of 4 temp employees consist of 3 women and 1 man.
1.22
2.35
3.56
4.70
5.105

OA is D

by ash4gmat

Sat Aug 27, 2016 3:17 am
Forum: Problem Solving
Topic: no of groups
Replies: 9
Views: 1654

word problems

Q.Of the 60 animals on a certain farm,2/3 are either dogs or cats.How many of the animals are cats?

1.The farm has more than twice as many cats as it has dogs.
2.The farm has more than 12 dogs.

As per answer is a but OA is c.Please clarify.

by ash4gmat

Sat Aug 27, 2016 2:37 am
Forum: Problem Solving
Topic: word problems
Replies: 2
Views: 567

geometry graph

Q.In X-Y plane at what 2 points does the graph of y=(x+a)(x+b) intersect x axis
1.a+b=-1
2.graph intersects y axis at (0,-6)

OA is C

by ash4gmat

Sat Aug 27, 2016 2:34 am
Forum: Problem Solving
Topic: geometry graph
Replies: 3
Views: 815

algebra

Q.Is int x divisible by 6?
1. x+3 is div by 3
2.x+3 is odd

OA is C

by ash4gmat

Sat Aug 27, 2016 2:32 am
Forum: Problem Solving
Topic: algebra
Replies: 1
Views: 514

Algebra

Can someone help explain the meaning of
[q]=-q

I understand from this that q will be zero in this as absolute value of any number cannot be -ve.

by ash4gmat

Fri Aug 26, 2016 3:46 am
Forum: Problem Solving
Topic: Algebra
Replies: 6
Views: 994

Probability

Q.A randomly selected sample population consists of 60% women and 40% men. 90% of the women and 15% of the men are colorblind. For a certain experiment, scientists will select one person at a time until they have a colorblind subject. What is the approximate probability of selecting a colorblind per...

by ash4gmat

Thu Aug 25, 2016 5:33 am
Forum: Problem Solving
Topic: Probability
Replies: 2
Views: 920

VERB TENSE

Q. During the reign of Mary I of England, the same Elizabeth who would later accede to the throne was imprisoned on suspicion of supporting Protestant rebels . a)During the reign of Mary I of England, the same Elizabeth who would later accede to the throne was imprisoned on suspicion of supporting P...

by ash4gmat

Mon May 23, 2016 3:59 am
Forum: Sentence Correction
Topic: VERB TENSE
Replies: 1
Views: 1325

Sentence correction

Q. Please help with this. The defense lawyer and witnesses portrayed the accused as a victim of circumstance, his life uprooted by the media pressure to punish someone in the case. a)circumstance, his life b)circumstance, and his life c)circumstance, and his life being d)circumstance; his life e)cir...

by ash4gmat

Mon May 23, 2016 3:39 am
Forum: Sentence Correction
Topic: Sentence correction
Replies: 1
Views: 1006

Function-data sufficiency

Please help:
Q:If x>0, does
f(x^2)=f(x)^2?
(1) f(x)=Sqrt.x
(2)x=9

by ash4gmat

Sun May 22, 2016 11:32 pm
Forum: Data Sufficiency
Topic: Function-data sufficiency
Replies: 3
Views: 1218

Experts please correct me where I'm wrong, From statement 1:P(W&E)=0 we get P(W).P(E)=0 When we use this information combined with statement 2 we can conclude P(E)=0 There for P(W)=0.2 Therefore answer should be P(W)+P(E)-P(W&E)=0.2+0+0 and henceforth C. The issue here is the equation P(W&E) = P(W)...

by ash4gmat

Sun May 22, 2016 11:28 pm
Forum: Data Sufficiency
Topic: Pure luck
Replies: 12
Views: 4913