1260 Challenging Brain Teasers Page 52 of 84
Brain teasers that must be solved with a lot of critical thinking and even a little creativity.
766. One of the following is the odd word out. Which one and why?
apocryphal, spurious, indubitable, disingenuous, illegitimate
767. Can you tell what number comes next in this strange sequence?
3415826 345826 34586 4586 ?
768. Bryan is now twice as old as Jennifer. Ten years ago, he was four times as old. Ten years from now, Jennifer will be five-eights Bryan's age. How old are they now?
769. Replace the number signs with mathematical symbols to make this equation work:
7 # 7 # 77 # 7 # 7 = 497
770. The following nine letters can be anagrammed to form a three-word, rather bizarre way of wishing a person good luck.
A A B E E G K L R
771. Mary has seven passwords for seven computers at work. She has to match each password with its respective computer. If Mary picks one of the passwords and one of the computers to see if she has a match, what is the probability she will be successful?
772. Here is an interesting math puzzle that is not as difficult as it appears. Can you find a number that when divided by 2, has a remainder of 1; when divided by 3, has a remainder of 2; when divided by 4, has a remainder of 3; and when divided by 5, has a remainder of 4?
773. All the vowels (including "y") have been removed from the following quotation. Can you read it?
RSBNTHRNMWLDSMLLSSWT
774. Change the first letter of each pair of words to form a new pair of words. Place the letter, the same for each pair, on the blank line in the middle. When you have finished all the pairs, you will have a new word reading down.
SLAM _____ SAME
DATER _____ FINGER
IRE _____ AVER
CHINE _____ BRING
PASTY _____ RESTLE
775. Find the six-digit number in which the first digit is three times the second; the third is one more than the second; the fourth is one-fifth the last; and the fifth is the sum of the first and fourth.
776. Can you name the six states that border Wyoming?
777. Write the number 76 using three consecutive numbers between 1 and 9 inclusive, using each number once only. You may use any of the mathematical operational signs: +, -, x and ?
778. The following definitions require some thought. The explanation includes all the facts. Ex: To study; twisted rope. Pore. (The word "rope" twisted into "pore.")
Got stuck in the middle of a set for ten.
779. Can you think of three consecutive numbers that, when each is cubed and the three cubes are added together, form a number, whose cube root is the fourth consecutive number?
780. All of the following, except one, are different types of climates. Which one is the odd one out?
continental, monsoon, desert, polar, temperate, mountain, oceanic
