Search found 21 matches


combination,table, 700+, manhattan

In how many ways can 6 people be seated at a round table if one of those seated cannot sit next to 2 of the other 5?

a) 720
b) 120
c) 108
d) 84
e) 48

by soudeh

Thu Oct 26, 2017 12:57 pm
Forum: Problem Solving
Topic: combination,table, 700+, manhattan
Replies: 2
Views: 982

Running at their respective constant rates, machine X takes 2 days longer to produce w widgets than machines Y. AT these rates, if the two machines together produce 5w/4 widgets in 3 days, how many days would it take machine X alone to produce 2w widgets. A. 4 B. 6 C. 8 D. 10 E. 12 Let w=12. In 3 d...

by soudeh

Sat Oct 21, 2017 8:10 am
Forum: Problem Solving
Topic: Running at their respective constant rates, machine X takes
Replies: 6
Views: 9696

Problems like this are labor-intensive, because we have to count a number of different possibilities. To get a product that is a multiple of 6, we must have a factor of 2 and a factor of 3 between the two numbers. We could have a multiple of 6 from the 1st deck with a prime from the second, a multi...

by soudeh

Mon Oct 16, 2017 2:44 pm
Forum: Problem Solving
Topic: probability
Replies: 3
Views: 1423

disease, it's too hard.

A terrible disease sweeps around the world, luckily only affecting 1 in 10,000, but for that one, the disease is lethal. Shortly after the disease was discovered, scientists developed a test that is 99% accurate regardless of whether you have the disease. In other words, the test yields the correct ...

by soudeh

Sun Oct 15, 2017 10:42 pm
Forum: Problem Solving
Topic: disease, it's too hard.
Replies: 1
Views: 902

probability

There are two decks of 10 cards each. The cards in each deck are labeled with integers from 11 to 20 inclusive. If we pick a card from each deck at random, what is the probability that the product of the numbers on the picked cards is a multiple of 6?
A. 0.23
B. 0.36
C. 0.40
D. 0.42
E. 0.46

by soudeh

Sun Oct 15, 2017 4:46 pm
Forum: Problem Solving
Topic: probability
Replies: 3
Views: 1423

Hey Soumita, You're right, E also seems like a good option. But it's not the correct answer. See, what is the Consumer advocate's concern? Some public health advocates have become concerned that directly advertising prescription drugs to consumers is likely to cause some patients to pursue certain ...

by soudeh

Fri Oct 13, 2017 10:44 pm
Forum: Critical Reasoning
Topic: Address the concern
Replies: 6
Views: 2750

Hey Soumita, You're right, E also seems like a good option. But it's not the correct answer. See, what is the Consumer advocate's concern? Some public health advocates have become concerned that directly advertising prescription drugs to consumers is likely to cause some patients to pursue certain ...

by soudeh

Wed Oct 11, 2017 9:35 am
Forum: Critical Reasoning
Topic: Address the concern
Replies: 6
Views: 2750

The Department of Homeland Security has proposed new federal requirements for driver’s licenses that would allow them to be used as part of a national identification system. Using licenses for purposes not directly related to operating a motor vehicle is un-American because it would require U.S. ...

by soudeh

Wed Oct 11, 2017 8:02 am
Forum: Critical Reasoning
Topic: CR - The Department of Homeland Security
Replies: 11
Views: 5128

og review

Hey Greenwich, Great question - and this one provides a terrific platform for a strategy that I've borrowed (at least the name) from David@VeritasPrep: Modifiers - Use it or Lose It Basically, modifiers on the GMAT serve two purposes: 1) A decision point for you to eliminate misplaced modifiers or ...

by soudeh

Tue Oct 03, 2017 1:20 pm
Forum: Sentence Correction
Topic: Rain or Snow
Replies: 3
Views: 5231

Hello

I really confused
choice A says: increase the upward pressure on real interest rates without allowing any opportunity for reduction.

and the last sentence similarly says: As long as real interest rates remain high, developing countries will remain in debt.

why A is wrong?

by soudeh

Sun Oct 01, 2017 1:52 pm
Forum: Reading Comprehension
Topic: Need help with a question - The Debt Crisis
Replies: 3
Views: 3327

HI, Can anyone pls throw light on why D is incorrect ?? I too understand E is the correct ans but D needs to be eliminated right? Pls do the needful ? The passage concludes that THE RATE OF RESPIRATORY AILMENTS in Groverston WILL NOT DECLINE before the regulations go into effect. Answer choice D: N...

by soudeh

Fri Sep 22, 2017 10:48 am
Forum: Critical Reasoning
Topic: [13th OG new CR] Respiratory Ailments
Replies: 11
Views: 6412

In the past the country of Malvernia has relied heavily on imported oil. Malvernia recently implemented a program to convert heating systems from oil to natural gas. Malvernia currently produces more natural gas each year than it uses, and oil production in Malvernian oil fields is increasing at a ...

by soudeh

Tue Sep 19, 2017 12:30 pm
Forum: Critical Reasoning
Topic: Country Of Malvernia
Replies: 2
Views: 5390

Hello


would you explain more?

I thought in this way:

a: staying hungry
b: getting sick
c: leaving work
d: no money!

then if A doesn't happen, D will not happen
but D can happen independently
am I wrong??

by soudeh

Mon Sep 11, 2017 2:45 pm
Forum: Critical Reasoning
Topic: If A, then B. If B, then C....
Replies: 9
Views: 8622

The first data is usable because it helps to find the number ,since it is odd root

Other information is talking about 6th root ( which is even)
So your original number could be negative or positive

All in all, the answer is A

by soudeh

Thu Aug 17, 2017 4:10 am
Forum: Data Sufficiency
Topic: What is the square root of x?
Replies: 4
Views: 1325

Hi

could you explain me why A is wrong? it is more general than B as in B we see people are aware and so don't care , in A we see people don't care about moral condition so it doesn't effect on their purchase....
why it is wrong?

by soudeh

Thu May 11, 2017 5:45 pm
Forum: Critical Reasoning
Topic: Zanco's failure
Replies: 12
Views: 3457