There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?

I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2.

What is the chance of picking a pair of blue socks?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

Can you find out the number that should replace the question mark with a valid reason?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

How many triangles can you find in this given picture?