A river should be crossed by a father, a mother and their two sons and two daughters.
There are some rules that should be followed while crossing the river. There can be only two people in the raft while crossing. The daughters cannot be with their father unless there is the presence of the mother. The sons cannot be with their mothers unless the father is present. Unless the guard is on the board, the criminals cannot be with any of the family members. Only the adults like the father, the guard, and the mother knows to use the raft.

How will they cross the river?

No matter how little or how much you use me, you change me every month. What am I?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

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.

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

Can you decipher the two rows to find the hidden word?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

Why are televisions attracted to people?