Flying Birds
A puzzle kept me awake most of the night and its still boggling my mind. Backstory: I belong to many WhatsApp groups, one of which is a group for the members of my predegree class of 2001 (yeah I know what you're thinking. Dont say it out loud though). Someone posted this puzzle on the group yesterday: Some birds were flying and met a bird in their way. The bird greeted them, hello hundred! They said we are not hundred, we need half of us plus you to make us hundred. Question - how many birds were flying? Possible answers are - A. 198 B. 49 C. 66 D. 51 E. 101 F. 199 I copied the script verbatim for a reason. My default answer was 199: (x/2) + 1 = 100 (x/2) = 100 - 1 = 99. x/2 = 99 x = 99*2 = 198. Total number of birds flying = 198 + 1 bird they met = 199. But the poster said it's wrong. I wasn't the only one who derived this answer, but the poster kept insisting that we got it wrong. The other posted answers are 198 and 66. The person who supplied the 66 answer used the fo