Search found 9 matches
PS - Word Problems
June 25 1982, fell on a Friday. On which day of the week did June 25, 1987 fall. (Note : 1984 was a leap year).
a) Sunday
b) Monday
c) Tuesday
d) Wednesday
e) Thursday
- by rupamroy
Tue Nov 20, 2012 5:29 pm- Forum: Problem Solving
- Topic: PS - Word Problems
- Replies: 2
- Views: 1126
Statistics - PS
If the positive numbers d is the standard deviation of n,k and p then the standard deviation of n+1, k+1 and p+1 is
a) d+3
b) d+1
c) 6d
d) 3d
e) d
- by rupamroy
Tue Nov 20, 2012 5:26 pm- Forum: Problem Solving
- Topic: Statistics - PS
- Replies: 1
- Views: 1515
V True bill.. and I have also noticed a definite shift in the characteristic of PS questions in GMAT. It was not so long ago, that PS used to test more of mathematical ability than logic intertwined with maths ability. But after going through the GMAT Prep 1, I feel there is now more stress on reaso...
- by rupamroy
Tue Nov 20, 2012 5:22 pm- Forum: Problem Solving
- Topic: Number systems
- Replies: 6
- Views: 1401
- by rupamroy
Tue Nov 20, 2012 6:53 am- Forum: Problem Solving
- Topic: Number systems
- Replies: 6
- Views: 1401
Number systems
What is the greatest prime factor of 12!11! + 11!10!?
(A) 7
(B) 11
(C) 13
(D) 17
(E) 19
- by rupamroy
Sun Nov 18, 2012 12:35 am- Forum: Problem Solving
- Topic: Number systems
- Replies: 6
- Views: 1401
- by rupamroy
Mon Nov 05, 2012 8:44 am- Forum: Critical Reasoning
- Topic: hard question from gmaptprep.
- Replies: 9
- Views: 2205
- by rupamroy
Sun Oct 07, 2012 4:38 am- Forum: Reading Comprehension
- Topic: RC can be a pain!
- Replies: 3
- Views: 1416
- by rupamroy
Mon Sep 24, 2012 9:00 am- Forum: Critical Reasoning
- Topic: Critical Reasoning Strategy - Powerpoint
- Replies: 25
- Views: 58401
I would approach the problem as : rs + r =r(s+1) In the problem it is mentioned that rs + r is odd. Now by number system properties we know that : odd * odd = odd (i.e. 3*9=27) From this we can deduce that r and s+1 both are odd numbers. So the answer would be - (b) Now s and s+1 are consecutive int...
- by rupamroy
Tue Sep 06, 2011 7:49 am- Forum: Problem Solving
- Topic: Question regarding Number Properties
- Replies: 3
- Views: 1279