What is common among 11, 69, and 88?

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

Which flower has two lips?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

A person is found murdered in his Chamber. When the crime scene is investigated, the Investigator find out that there is a calendar on which the victim has written a few numbers with his blood. The numbers are 4, 11, 11 and 4.

There are four suspects in the murder, John, Jacob, Anna and Lee. Can you find out who is the murderer?

What is the longest word in the dictionary?

I am sure no one can have two things for dinner. what are they?

Before Mount Everest was discovered, what was the highest mountain in the world?

I can be cracked, made, told, and played. What am I?

What is the next number in the series?

15 29 56 108 208 ?