Put your math skills to the test with this collection of engaging math riddles! These puzzles will challenge your logic, numerical reasoning, and problem-solving abilities. From tricky number sequences to clever calculations, these riddles are perfect for sharpening your mind and having fun with math!
Riddle: I am a three-digit number. My tens digit is five more than my ones digit, and my hundreds digit is eight less than my tens digit. What number am I?
194
Riddle: A farmer has 17 sheep, and all but 9 run away. How many sheep does he have left?
9
Riddle: If you multiply this number by any other number, the answer will always be the same. What number is it?
0
Riddle: The sum of two numbers is 25, and their difference is 5. What are the numbers?
15 and 10
Riddle: A triangle has sides 6 cm, 8 cm, and 10 cm. What type of triangle is it?
A right-angled triangle
Riddle: What is half of two plus two?
Three (½ of 2 is 1, plus 2 = 3)
Riddle: A father is three times as old as his son. In 10 years, he will be twice as old as his son. How old are they now?
The father is 30 years old, and the son is 10.
Riddle: A number is doubled and then increased by 9. The result is 25. What is the number?
8
Riddle: If three cats can catch three mice in three minutes, how long will it take 100 cats to catch 100 mice?
3 minutes
Riddle: How can you write down eight eights so that they add up to one thousand?
888 + 88 + 8 + 8 + 8 = 1000.
Riddle: When asked how old she was, Ashley replied, "In two years I will be twice as old as I was five years ago." How old is she?
She's 12!
Riddle: I am a number. Multiply me by 4, then subtract 6, and you get 18. What number am I?
6
Riddle: If a dozen eggs cost $1.20, how much does each egg cost?
10 cents
Riddle: The sum of three consecutive even numbers is 36. What are the numbers?
10, 12, and 14
Riddle: If 8 people shake hands with each other once, how many handshakes occur in total?
28
Riddle: A train leaves at 2 PM and travels at 60 mph. Another train leaves at 4 PM on the same track, traveling at 90 mph. When will the second train catch up?
At 8 PM
Riddle: What comes next in the sequence: 2, 6, 12, 20, 30, __?
42 (Pattern: Add consecutive even numbers: +4, +6, +8, +10, +12)
Riddle: There are three consecutive numbers that add up to 99. What are they?
32, 33, and 34
Riddle: A triangle has angles measuring 90° and 30°. What is the measure of the third angle?
60°
Riddle: If 3 chickens lay 3 eggs in 3 days, how many eggs do 6 chickens lay in 6 days?
12 eggs
Riddle: The ages of a father and son add up to 66. The father's age is the son's age reversed. How old could they be? (3 possible solutions).
51 and 15. 42 and 24. 60 and 06.
Riddle: What two whole, positive numbers have a one-digit answer when multiplied and a two-digit answer when added?
1 and 9.
Riddle: What is the next number in the sequence? 2, 3, 5, 9, 17, _
33. The pattern: Double the previous number and subtract 1.
Riddle: How high would you have to count before you would use the letter A in the English language spelling of a whole number?
One thousand.
Riddle:What number squared = 12345678987654321?
111,111,111
Riddle:What number, when added separately, to 100 and 164 can make each a perfect square?
The answer is 125. 125+100=225 and 125+164=289. The square root of 225 is 15 and the square root of 289 is 17.
Riddle: If you divide 30 by half and add 10, what do you get?
70 (30 ÷ 0.5 = 60, and 60 + 10 = 70).
Riddle: Add me to myself and multiply by 4. Divide me by 8 and you will have me once more. What number am I?
Any number.
Riddle:If 1=5, 2=15, 3=215, and 4=3215. What does 5 equal?
5=1, because 1=5.
Riddle: What did the zero say to the eight?
Nice belt!
Riddle: How many sides does a circle have?
Two. The inside and the outside.
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