How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

Can you move 2 matchsticks to form four equal sized squares.

How can you leave a room with two legs and return with six legs?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

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?

A woman named Maria was at the funeral of her mother. She met a nice young man that she had never seen before and after the service, they spent a bit of time together. Then she got busy and didn’t get his name or phone number before he left. She tried to find him, but no one knew who he was or how to contact him. A few weeks later, Maria’s older sister dies and the police suspect murder. Who killed the sister?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.