1260 Challenging Brain Teasers Page 76 of 84
Exercise your thinking abilities with these 15 good brain teasers they can be fun to solve and give you satisfaction when you get the correct answer.
1126. Can you think of a geometric series of whole numbers with three or more numbers which add up to a square? Start with 1. Example: 1 + 3 + 9 + 27 + 81 = 121 = 11 squared.
1127. You throw away the outside and cook the inside. Then you eat the outside and throw away the inside. What did you eat?
1128. This is as light as a feather, yet no man can hold it for long.
What is it?
1129. Name an English word of more than 2 letters that both begins and ends with the letters "he" in that order. There are at least two possible answers. "hehe" is not acceptable.
1130. George, Helen, and Steve are drinking coffee. Bert, Karen, and Dave are drinking soda. Is Elizabeth drinking coffee or soda?
1131. A farmer goes to the market with $100 cash. He has to buy exactly 100 animals. There are cows, geese and chicken for sale. A cow costs $15, a goose is $1 and a chicken costs $0.25. He has to buy at least one of each animal and has to spend all his money. What does the farmer buy?
1132. What is the four-digit number in which the first digit is one third the second, the third is the sum of the first and second, and the last is three times the second?
1133. So far as I can determine, only one other word can be made from the letters of INSATIABLE. Can you find it.
1134. If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking the cork out of the bottle or breaking the bottle?
1135. Make your way from CAKE to EATS in only four steps, changing one letter at a time to make a good English word at each step.
CAKE
_ _ _ _
_ _ _ _
_ _ _ _
EATS
1136. Find the six-digit number in which the first digit is one more than the second; the second is one more than the third; the fourth is one less than the third; and the fifth and sixth are the sum of the first and second and...no digit appears more than once.
1137. Which word is the odd one out:
seventy
brawl
clover
proper
carrot
swing
change
travel
sacred
stone
1138. Here is a mathematical addition problem. Given that U=6 can you replace each letter with a digit to make the addition correct?
T W O +
T W O =
-----------
F O U R
1139. The names of a mammal is hidden in each of the following sentences. All of the letters are in the correct order.
1. The large crowd at the flea market came looking for bargains.
2. I took off the peel and ate the banana.
3. He has no judgment, no sense altogether.
1140. What one three-letter word can be added to the blanks below to make a new word in each case?
_____ ROCK
_____ ROLL
_____ POST
