sundarc

The answer is correct. But here is my approach. To complete the work it takes 60 man hours (6 men * 10 hours). In 6 hours (from 11:00am to 5:00pm), they would have contributed 6 * 6 = 36 man hours. At 6:00pm ==>36 + 6 + 1 = 43 man hours 7:00pm ==>43 + 6 + 2 = 51 man hours 8:00pm ==>51 + 6 + 3 = 60 man hours (completed)

Thanks to all

Shouldn't the answer to 2nd Question be 3/8? According to binomial distribution ==> 4C2 * (1/2)^1 * (1-1/2)^3 = 6 * 1/2 * 1/2 * 1/2 * 1/2 = 3/8

I have the following probability questions. Four coins are tossed. 1) What is the probability of getting at least one heads? 2) What is the probability of getting exactly one heads? 3) What is the probability of getting 4 heads? Thanks

To answer your question, I think you might have missed a zero in the condition. If the question was if 3^6x = 810000, then (3^x-1)^3 = ? 3^6x = (3^3x)^2 = 900^2 ==> 3^3x = 900 or -900 (3^x-1)^3 = 3^(3x-3) = (3^3x)/(3^3) ==> 900/27 or -900/27

If d>0 and 0 I. c > 0 II. c/d III. c^2 + d^2 > 1 (A) I only (B) II only © I and II only (D) II and III only (E) I, II, and III The given answer is (B). I answered ©. if d>0 shouldn't c always be greated than 0 in order to meet the above condition?

Can someone please explain the answer to this question (Official paper test) SQRT = Square root If n and k are positive integers, is SQRT(n+k) > 2 SQRT(n) (1) k > 3n (2) n + k > 3n The correct answer is "A"

I was doing one of the official paper tests and came across this data sufficiency question. If n is an integer, is n even? (1) n^2-1 is an odd integer (2) 3n+4 is an even integer I marked the answer as "A", but the correct answer is "D". Can someone please explain. In (2), n can be 0 which makes 3n+4 even. Therefore n is neither even nor odd. I always assumed 0 to be an integer.

Thank you very much for your reply. Can you plase refer me to one with whom your students were satisfied.

Does anybody know of good books on MBA Admissions? On amazon.com, reviews for the MBA admissions books seem very suspicious.

A slight correction to the earlier post. Since order does not matter, it should be 7C2*5C1. The answer is 21 * 5 = 105. When order does matter it should be 7P2 * 5P1.

I have heard a lot lately about MBA admissions consulting for preparation of application forms. It costs anywhere from $1500 to $3000. I just wanted to know if it is worth it? Your response is greatly appreciated.

I think B is correct. Let the number of students who graduate from each pool (4-year and transfer) be N. Let the number of students who graduate with honors be x (4-year) and y (transfer). The answer is whether we can solve for y/(x+y). In Statement 1, they give us the values of N and y. But x is unrelated to y, therefore cannot solve. In Statement 2, they give us the equation y = 1.5x. Substituting for y, we get 1.5x/(x+1.5x) Solving we get 3/5.