Hard Riddles Page 13 of 14
These are some very hard riddles for your pleasure, good luck trying to solve them.
121. If a computer salesman has visited the cities below the amount of times shown, how many times has he visited Delaware?
Pennsylvania = 55
Maryland = 1550
Mississippi = 1004
Delaware = ?
122. A census taker asked a housewife how many people lived in her house and what their ages were. The woman told him that three daughters lived in the house, that the product of their ages was 36, and that the sum of their ages was the number of the house next door. The census taker went next door and looked at the number on the door. When he came back, he told the housewife that the information she had given was insufficient, whereupon she replied, "My oldest daughter is sleeping upstairs." The census taker thanked her and promptly figured out the daughters' ages. What were they and how did he know?
123. While on his way to St. Ives John saw a man with 7 wives. Each wife had 7 sacks. Each sack had 7 cats. Each cat had 7 kittens. Kittens, cats, sacks, and wives, how many were going to St. Ives?
124. What are the missing numbers in the series below:
31 62 ? 25 56 ? 19 401
125. A man has $1.15 in six coins. He can't make change for a dollar, a half dollar, a quarter, a dime, or a nickel. What coins did he have?
126. There are ten bags containing marbles. Each bag has at least 10 marbles in it. Nine bags contain marbles that weigh 10 grams each. One bag contains marbles that weigh nine grams each. Each bag has a different number of marbles in it. All of the marbles look exactly the same. How can you find out which bag has the nine gram marbles if the only device you have is a weighing scale which you can use only one time?
127. How can you measure four gallons of water out of a barrel when you only have a three-gallon container and a five-gallon container?
128. You and a friend decide to play a card game. You each have a well shuffled deck of 52 cards and you will take turns turning over one card at a time to see if they match. Starting with complete decks of 52, what are the odds that two cards turned over will match?
129. What numbers should mathematically replace the question marks?
1 | 2 | 6 | 30 | ? |
2 | 3 | 5 | 11 | ? |
130. A farmer knows that 20 of his hens, housed in 3 coops, will hatch 30 eggs in 18 days. How long will it take 30 hens, housed in 4 coops to hatch the same number of eggs?
