1260 Challenging Brain Teasers Page 20 of 84
Challenging brain teasers, all of them are interesting, fun and thought-provoking questions that are sure to make you think.
286. There are 3 cups and 10 coins on the table. You are asked to distribute the coins in the 3 cups according to the following 2 conditions: a: there must be no empty cups; b: there must be 7 coins in one cup and 3 in another.
How can you accomplish that?
287. I have two identical stones which I drop from identical heights into identical buckets. Each contains an identical volume of water, one at 33 degrees Fahrenheit, the other at 31 degrees Fahrenheit. In which bucket will the stone hit the bottom first?
288. What is represented by the following words?
TUNE TUNE TUNE TUNE
289. What is twice two thirds of three quarters of 10?
290. If the brain buster you solved before you solved the brain buster you solved after you solved the brain buster you solved before you solved this one, was harder than the brain buster you solved after you solved the brain buster you solved before you solve this one, was the brain buster you solved before you solved this one harder than this one?
291. In a contest, Andy was neither first nor last. Dick was not first. Sam was not last. Sam beat Andy. Tom beat Dick. Andy beat Tom. Tom was not last. Who won?
292. Here's another palindrome:
An addition to your room bill in a tiny country inn, where the owners charge for ablutions.
_ _ _ _ _ _ _
293. What are the next 2 numbers in this series:
1 4 13 28 49 _ _
294. You have 50 coins totaling $1.00. You drop one down an open drain while tossing the coins in your hand. What is the chance that you have lost a quarter?
295. If six painters can paint nine rooms in three hours, how many rooms can four painters paint in twelve hours?
296. The following 13 letters can be anagrammed into a four-word phrase meaning "in no way."
O O O N N T R U Y F L E I
297. After collecting 770 shells, the three boys divided them up so that their amounts were in the same proportions as their ages. As often as Mike took four shells, Nick took three, and for every six that Mike received, Sam took seven. How many shells did each boy get?
298. What is the 4 digit number (no zeros) in which the first digit is one-half the second, the second digit is one-half the third, and the fourth digit is the sum of the first and second?
299. Four of the words below have one significant feature in common which distinguishes them for the fifth word. Which is the odd man out?
REACT TRACE SCARE CATER CARTE
300. Here's another Palindrome:
What did the spa director tell LEW that OTTO had for him?
_ _ W, _ _ _ _ _ _ _ _ _ O _ _ _ _ _ _.
