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

Different lights make me strange by changing me into different sizes. What am I?

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

If,

Akriti = 631
Levis = 521
Sroti = 521
Aneel = 533
Then,
Sunil =?

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

If Japan and Panama decided to merge into a single country, probably people will name it Japanama.

Can you think of two more such country's unions that could produce similar names like Japanama by overlapping their three letters?

What is full of holes but still holds water?

Whats the next number in the below number sequence pattern.