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?

The dirtier I get, the whiter I look. Who am I?

Solve the alphametic puzzle by replacing the alphabet with the number.

S T O R M +
S O L E S
=========
T O W E L
=========

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

If Rajina's daughter is my daughter's mom, who am I to Rajina?

What has no start, end, or centre?

What has a bottom at the top?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

What breaks yet never falls, and what falls yet never breaks?

Count the number of triangles in the picture below: