John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?
How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?
What does this below rebus puzzle mean?
What is the largest number you can write with just 3 digits?
I have four wings but can't fly. I express no emotions. I am found on the exact spot every time you look. I keep toiling away with a little sound. Do you know what am I?
In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?
Why Aeroplane windows are round?
We are a group of eight brothers. We consider the weak, yet we protect the king in every battle. If we move ahead, we never turn back. Who are we?
How many triangles can you count in the figure given?
How many letters are in the alphabet?
Replace each alphabet with the number (1-9) to make the below equation correct. AB * C = DE - F = GH / I
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
