Search found 6 matches
Probability
5 boys and 4 girls are going for a movie. Andy and Sally are part of this group. For a restriction that no two boys or girls can sit beside each other, what is the probability of Andy sitting besides Sally?
OA-2/5
- by Gaj81
Mon Dec 30, 2013 10:32 pm- Forum: Problem Solving
- Topic: Probability
- Replies: 4
- Views: 2360
For mn to be divisible by 3, we should have either one of two as a multiple of 3 Statement#1 m+n = 6x+5................1 Insufficient by itself Statement#2 m-n = 6y-3.............2 Insufficient by itself Combining statement 1 & 2, Using equation 1&2 and solving for m we get m= 3x+3y+1 where,...
- by Gaj81
Sun Dec 29, 2013 9:03 pm- Forum: Data Sufficiency
- Topic: Integer Properties
- Replies: 3
- Views: 1517
Let # Merry's relatives be X Therefore, # Merry's Friend =X+20 Each person consumes only one kind of meat, also let us assume that each guest eats only one portion of meal, Therefore, # of servings available = # of guests or # of servings / # of guest = 1 Statement#1 INSUFFICIENT Statement#2 INSUFFI...
- by Gaj81
Sun Dec 29, 2013 12:50 am- Forum: Data Sufficiency
- Topic: On this Christmas, Merry
- Replies: 3
- Views: 2010
- by Gaj81
Sat Dec 21, 2013 9:54 pm- Forum: Problem Solving
- Topic: Integer properties - Any tips to solve this one quickly
- Replies: 1
- Views: 4716
- by Gaj81
Fri Dec 20, 2013 8:27 pm- Forum: Data Sufficiency
- Topic: A group of five friends have $87 dollars between them.
- Replies: 4
- Views: 1528
- by Gaj81
Fri Dec 20, 2013 5:36 am- Forum: Data Sufficiency
- Topic: A group of five friends have $87 dollars between them.
- Replies: 4
- Views: 1528