1260 Challenging Brain Teasers Page 51 of 84
Brain teasers that require a great deal of thought, intelligence and a sometimes even a touch of creative thinking.
751. Find the number that best completes the following sequence:
3 9 4 16 5 25 6 ?
752. Which of the following is the odd man out? It has nothing to do with letters or syllables.
WASHINGTON LINCOLN HAMILTON POLK
753. Each of the following definitions can be answered by two words that rhyme.
E.A.'s agricultural instruments
_ _ _ _ _ _ _ _
Dorothy's noisy dogs
_ _ _ _ _ _ _ _ _ _ _ _ _ _
754. Mrs. Jones is 32 years older than her daughter. Six years ago, she was exactly three times as old as her daughter. What are the correct ages of Mrs. Jones and her daughter?
755. Two years ago, a man offered to sell his Chevy to a car dealership for $7000, but they declined to buy it. A year later the seller offered the same car for $6000, but again the car dealer decided not to purchase it. A few months later the man offered the Chevy for $5142.85, but yet again the car dealership refused to buy it. Yesterday, the car was offered for $4,408.16. The car dealer still did not want to purchase the car. If the owner offers the car for sale again, and he maintains a consistent reduction, how much will the offer be?
756. What two letters should replace the question marks?
ACE GIK
CFI LOR
EIM Q??
757. What number comes next in the following series?
21, 42, 63, 84, 06, ?
758. The following letters occur in these sequences in English words. What are the words? Exampe: OOKKEE is Bookkeeper.
CKKN WKW YZY
759. What one four-letter word can be added in the blanks below to make a new word in each case?
_______REAL
_______SWIPE
_______LINE
_______CAR
760. Cathy bought two different types of candles, one that burned for 12 hours and one that burned for 16 hours. Both candles were exactly the same length. One night, Cathy lit both candles when her electricity went out during a thunderstorm. Sometime later, when one candle was exactly 1/2 the length of the other, the power came back on. Cathy needed to reset the clocks that had stopped during the outage, but didn't know how long the electricity had been out. Can you help Cathy figure out how long the candles had been burning?
761. All the vowels (including "y") have been removed from the following line in a nursery rhyme. Can you read it?
MSTRSSMRQTCNTRRHWDSRGRDNGRW.
762. What is the next number in the following sequence?
4 8 32 128 2,048 ?
763. Take an "s" from a word meaning "area" and find a word meaning "rate of speed."
Take an "s" from a word meaning "to glue" and find a word meaning "head."
Take an "s" from a word meaning "a sedimentary rock" and find a word meaning "tardy."
764. Which of the following groups of letters is the odd man out? The difference has nothing to do with vowels or consonants.
NAANAB NEIPPPLEA AEGRP SFIH
765. The impetuous young man was telling his fiancee what time he would be at her house so they could elope. He wanted to arrive at midnight, so he had done a few practice runs. If he drove 40 miles per hour, he'd be an hour early. If he drove at 30 miles per hour, he'd be on time, but at 20 miles per hour, he'd be two hours late. How far away was he?
