Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?
Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?
What does the following BrainBat signifies? ABCDEFGHIJKLMNOPQRSTUVWYZ QQQQQQQQQQQQQQQQQQQQQQQQQ.
A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?
John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?
Begin with a word, five letters to my name, Remove the first and last but I am the same Take out my middle and still, I remain. What word am I?
Can you name an animal whose killing cannot be performed without spilling your own blood?
How can I get the answer 24 by only using the numbers 8,8,3,3? You can use the main signs add, subtract multiply and divide.
What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?
What three numbers, none of which is zero, give the same result whether they’re added or multiplied?
I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?
In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki
