eye

Is it not the same. What is the answer?

"multiple of 2 and 8 " so the number should be divisible by both 2 and 8. If the number is multiple of 8 it surely will be multiple of 2 so we only need to find the numbers multiple of 8. Now how frequently multiple of 8 occur. 1, 2, 3, 4, 5, 6, 7,8, 9, 10, 11, 12, 13, 14, 15, 16 it occur every eight number so the probability that it is a multiple of 8 is 1/8

http://www.www.urch.com/forums/gre-math/56372-pp-gre.html

No repetation. 6! is the ans when u arrenge six nubers in six place, we have a extra fixed position so i get confused and thought the ans shold be different. Now its clear :)

Dear Farzana from which test did u got this ques? (I don't even understand the ques) (I mean Test 1 or 2?)

got u now. thanks.

Thanks Zephyr your explanation is nice, ans is 720 Can u explain why u do this rohitanna?

a. A prime (Let p is a prime, so it has divisors 1, p ... number of different divisors greater than 1 is one namely p) b. An even integer (say 8, it has divisors 1, 2, 4, 8 ... number of different divisors greater than 1 is 3) c. A multiple of 3 (say 3, it has divisors 1, 3 ... number of different divisors greater than 1 is 1) d. the square of a prime(say p is a prime so p^2 has divisors 1, p, p^2 ... number of different divisors greater than 1 is two p and p^2 ) e. the square of an odd integer ( say 15^2, it has divisors 1, 3, 5, 9, 15, 25 ...and more way more than two different divisors greater than 1) Attachment ans.

7 possitions. sorry i forget to give that. ans choise are: 1. ? 2. ? 3. 120 4. 340/360/382 (i cann't remember exactly lets say 3?) 5. 720

3. A positive integer with exactly 2 different divisors greater tahn 1 must be (ref: test -10 ques: 29 page:401) a. A prime b. An even integer c. A multiple of 3 d. the square of a prime e. the square of an odd integer ans. e. the square of a prime has three divisors(1,p,p^2) ques says greater than 1 so p and p^2

I didn't get the question?

how many numbers are there if keep 4 in 4'th position 1, 2, 3, 4, 5, 6, 7 ?

but your count do not consider when one of them is blue.

My ans is 27/28 which is not on the list !!!!!!!

video lecture for gre: Reading_Comprehension.rar(38.4 Mb) http://www.mesothelcancer.com/language-preparation/Reading_Comprehension.rar ASCA.rar(21.1 Mb) http://www.mesothelcancer.com/language-preparation/ASCA.rar Problem_Solving.rar(16.4 Mb) http://www.mesothelcancer.com/language-preparation/Problem_Solving.rar http://rapidshare.de/files/24561799/QC.rar.html(18.3 Mb) could'nt download "http://rapidshare.de/files/24561799/QC.rar.html(18.3 Mb)" http://rapidshare.de -- link dies couple of minutes latter. the rest are ok, not that great though. i like princeton review tutorial more.