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?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

Find the number of squares in the below picture

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

There's a day, that comes around once a year.
To celebrate the man, you hold dear.
He gave you life, love and will pick you up if you fall.
When it comes to guys like him, He's the best of all.
Who is he?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?