IEEE Weekly Puzzle

17 March 2014 Comments Off on IEEE Weekly Puzzle

#16 – Siblings

Arda and Berna are siblings. Arda has 5 times as many sisters as brothers. If one of his sisters had been a boy, Berna would have an equal number of brothers and sisters. How many siblings are there? How many of them are male? How many are female?

The Prize for This Question: Rubik’s 3×3 Cube

Send your answer to ieee.bilkent.edu.tr/zeka to submit your answer online, and get a chance to win the prize!

This question was prepared by Emrehan Halıcı, president of the Turkey Intelligence Foundation, for Bilkent IEEE.