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?

What does below chemistry rebus means?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

Find out the number of circles in the given picture having Illusion

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

What type of tree can I carry in my hand?

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

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