Can you make four (4) nines (9) equal 100?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

Solve this riddle by finding the odd one out from the rest.

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 ?

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

During which month do people sleep the least?

Through your logical capabilities, can you make 7 an even?

In a family supper, a grandfather, a grandmother, two fathers, two mothers, four children, three grandchildren, one brother, two sisters, two sons, two daughters, one daughter-in-law, and one mother-in-law need to sit at a table.

There are only seven chairs available at the place. How many more chairs do they have to borrow so that everyone can sit down together for the suppers if everybody requires a separate chair?

There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

How can one talk without saying a single word?