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Hi Guys,
Please correct me if I am wrong.
I agree regarding statement 1

Regarding Statement 2:
r=s
1/r +1/s=4
1/r + 1/r=4
2/r=4
r=1/2
By substituting in the original equation 1/r+1/s=4 so (1/ 1/2) + (1/ 1/2)=4
Sufficient

Is that right?

by mido362

Tue May 01, 2012 9:55 pm
Forum: Data Sufficiency
Topic: OG QR 2nd Ed. DS #124
Replies: 7
Views: 2297

Thanks Sam...now i realized my mistake

by mido362

Wed Apr 11, 2012 4:10 am
Forum: Data Sufficiency
Topic: Help - Tired of missing this type of question
Replies: 8
Views: 4783

Thanks Sam...now i realized my mistake

by mido362

Wed Apr 11, 2012 4:10 am
Forum: Data Sufficiency
Topic: Help - Tired of missing this type of question
Replies: 8
Views: 4783

Thanks Sam...now i realized my mistake

by mido362

Wed Apr 11, 2012 4:10 am
Forum: Data Sufficiency
Topic: Help - Tired of missing this type of question
Replies: 8
Views: 4783

Why are we considering that the median (15th and 16th day) will fall in the 60%? In other word maybe the 60 % is distributed as follows: 30% from day 1 to day 9 and 30% from day 22 to day 30.In that case the median is not fall in the 60% and maybe is still higher than the average. Is my logic right ...

by mido362

Tue Apr 10, 2012 10:37 pm
Forum: Data Sufficiency
Topic: Help - Tired of missing this type of question
Replies: 8
Views: 4783

Guys i still don't get the last part (But we have been asked the percentage of Desktops not computers)
We are asked about the precentage of desktops more than 1GB to the number of computers,or at least it could be undrstood like that.

Could anyone explain please?

by mido362

Fri Mar 30, 2012 11:01 pm
Forum: Problem Solving
Topic: 650 - 800 question
Replies: 4
Views: 3155