There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Count the number of triangles in the below picture?

Can you place six X (crosses) in below board without making three in a row in any way ?

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

A non-stop marathon is the shared favourite sport of three brothers.

*The oldest one is fat and short and trudges slowly on.
*The middle brother's tall and slim and keeps a steady pace.
*The youngest runs just like the wind, speeding through the race.

"He is young in years, we let him run!" the other two brothers explained, "'because though he is surely number one, he is second, in a way." Why is it?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

You bought me for dinner but never eat me. What am I?

I always drive my customer away.

Who am I?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

I have an eye but still cannot see.

Who am I?