Today, May 5th, is World Maths Day, one of the largest annual educational events in the world. In honour of World Maths Day here are ten Maths riddles that are sure to challenge your mathematical acumen.
(1) What number goes up but never goes down.
(2) How did the soccer fan know before the game that the score would be 0-0?
(3) If you multiply this number by any other number, the answer will always be the same. What number is this?
(4) I am a three-digit number. My second digit is 4 times bigger than the third digit. My first digit is 3 less than my second digit. What number am I?
(5) I add five to nine and get two. The answer is correct, but how?
(6) How can you take 2 from 5 and leave 4?
(7) Using only addition, how can you add eight 8’s to get the number 1,000?
(8) Where can you add 2 to 11 and get 1?
(9) Once I’m 24. Twice I’m 20. Three times I’m inappropriate. What am I?
(10) What can you put between a 7 and an 8 so that the result is greater than a seven, but less than an eight?
(1) Your age. (2) The score is always 0-0 before the game. (3) Zero. (4) 141. (5) When it is 9 p.m., add 5 hours to it and you will get 2 p.m. (6) Remove the 2 letters F and E from the word FIVE and you have IV. (7) 888 +88 +8 +8 +8 =1,000. (8) On a clock. (9) The letter “X”. (10) A decimal because 7.8 is greater than 7, but less than 8.
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