Math Riddle Compilation

Some of the best mathematics riddles with answers for kids and adults. Algebra and logic type.

1. My twin lives at the reverse of my house number. The difference between our house numbers ends in two. What are the lowest possible numbers of our house?



For explanation of the answer to this riddle click here.


2. If a hen and a half lay an egg and a half in a day and a half, how many eggs will half a dozen hens lay in half a dozen days?


For explanation of the answer to this riddle click here.


3. You know 2 + 2 comes to the same as 2 x 2. Now find a set of three different whole numbers whose sum is equal to their total when multiplied.

For explanation of the answer to this riddle click here.


4. What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

For explanation of the answer to this riddle click here. 


5. What is the smallest whole number that is equal to seven times the sum of its digits?

For explanation of the answer to this riddle click here.

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