On a bright sunny day, two fathers took their son fishing in the lake. Each man and son were able to catch one fish. When they returned to their camp, there were only three fishes in the basket. What happened?

PS: None of the fish were eaten, lost, or thrown back.

Move three sticks of the spiral below to form a square.

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

What begins with T, ends with T, and has T in it?

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?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

It is always ahead of me yet I can never see it. What is it?