I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

Decode below three cipher riddles:

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

Sally lives in a place where six months of the year is mild summer and the temperature drops significantly the other six months. She owns a lake where there is a small island. She wants to build a house on the island and needs to get materials there. She doesn’t have a boat, plane, or anything to transport them to the island. How does Sally solve this problem?

Who has married many women but was never married?

When can we add 2 to 11 and get 1 as the correct answer?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?