Hey FaaDoOs!!

This is the Seventh thread for master mind of the day...

Are you planning to become an MBA? Or wanna take the GRE route? Or are you tired of studying and wanna jump into a job straight after your engineering??

Whatever be your interest, one thing is for sure – you are going to come across a lot of ‘aptitude’ questions along your way to realizing your dreams!

More detailsHERE

Match your wits against one daily puzzler of a question! And who knows if you are the first one to crack it, you might just be the winner of a Rs.100 mobile recharge!!

Here's the First Question for DAY 7 of Master mind of the day--

Q1.) Rahul likes statistics and so he calculated the average height of his friends as X. He also calculated the average of the average heights of all the possible pair of his friends (two friends taken at a time) as Y.

Later, he calculates the average of the average heights of all possible triplets (three friends taken at a time) as Z.

Find the relationship among X,Y,Z ?

Correct Answer will win FREE Mobile Recharge worth Rs.100!!!

Entries will be accepted till 7PM, 5th Dec. 2011!