What is common among 11, 69, and 88?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

What makes this number unique: 8,549,176,320?

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

Remove two matchsticks to make the below equation correct.

There are three Athletes (John, Tarun and Harish) and their individual Coaches (Jacob, Meenaxi and Priyanka) standing on the shore.
No Coach trusts their Athlete to be near any other Coach unless they are also with them.
There is a boat that can hold a maximum of two persons.
How can the six people get across the river?