I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?
How many triangles can you count in the figure given?
Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?
There is a box full of marbles, all but two are blue, all but two are green, and all but two are red. How many marbles are in the box?
How is a fly different from a mosquito?
Solve the puzzle by telling what does below picture means.
What is more useful when it is broken?
Can you find out which number multiplied by itself will give the output as 12345678987654321?
Until it is measured, not known. Yet how you miss it when it has gone. What is it?
Can you find the 09 errors in the picture below?
Can you find out the next digit in the following series ? 0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.
