A certain junior class has 1000 students and a certain senior class has 800 students. Among these students, there are 60 siblings pairs each consisting of 1 junior and 1 senior. If 1 student is to be selected at random from each class, what is the probability that the 2 students selected will be a sibling pair?
A. 3/40000
B. 1/3600
C. 9/2000
D. 1/60
E. 1/15
OA A
A. 3/40000
B. 1/3600
C. 9/2000
D. 1/60
E. 1/15
OA A
Last edited by sanju09 on Wed Apr 08, 2009 5:48 am, edited 1 time in total.
The mind is everything. What you think you become. -Lord Buddha
Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
Lucknow-226001
www.manyagroup.com
Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
Lucknow-226001
www.manyagroup.com
