Math Riddles Page 16 of 26
Math riddles and math questions, use you best math knowledge and see if you can solve all of these difficult math problems.
151. 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?
152. If each of the letters below is represented by a number between 1 and 9 inclusive, and no letter shares the same value as a different letter, can you determine the values of the letters A and E in this subtraction problem?
A B C D E
- E G H I A
Q B Z A
153. If 4 oranges and 6 apples cost $1.30, and 6 oranges and 4 apples cost $1.20, how many oranges can you buy for $1.00?
154. Jim, Jack and Joe had collected baseball cards for years and each had the same number of cards. They decided to sell them together. Each sold half of what he had in the first hour. Then they had a few more sales at their booth before closing. Jack had one-fourth of his originals left, Jim had one-half of his originals and Joe had two left, one-eighth of his originals. How many did they start out with together?
155. Can you determine how this sequence of numbers is arranged?
2 3 6 7 1 9 4 5 8
156. At a party, 1/5 of the people departed early. Later, 1/3 of the remaining guests departed. Much later, 3/4 of those guests departed. If two people were left, how many people were originally at the party?
157. If 6 puzzle makers can compose nine puzzles in a day and a half, how many puzzle makers does it take to compose 270 puzzles in thirty days?
158. 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?
159. You bought 2 antique lamps for $50 each. Later, you were offered $60 for one and you sold it, changed your mind when you saw its duplicate being sold for more, and bought it back for $70. You then sold it for $80. The first one didn't sell at all so you reduced it by 10% below what you originally paid and managed to sell it. Did you make or lose money on the deal, and how much?
160. You have 1,432 feet of fence that must be strung out in a straight line. A fence post must be placed for every 4 feet of fence, so how many fence posts will be needed?
