What four weights can be used to balance from 1 to 30 pounds?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

The answer I give is yes, but what I mean is no. What was the question?

Find the hidden panda in the image below.

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

In the picture given below, can you find out which digit will take place of the question mark?

Our product and our sum always give the same answer. Who are we?

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

One evening there was a murder in the home of a married couple, their son and daughter. One of these four people murdered one of the others. One of the members of the family witnessed the crime.

The other one helped the murderer.

These are the things we know for sure:

1. The witness and the one who helped the murderer were not of the same sex.

2. The oldest person and the witness were not of the same sex.

3. The youngest person and the victim were not of the same sex.

4. The one who helped the murderer was older than the victim.

5. The father was the oldest member of the family.

6. The murderer was not the youngest member of the family.

Who was the murderer?