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

Count the number of triangles in the below picture?

What question can you never answer yes to?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

I want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.

How Long will it take to fill the bucket?

The Little ant seems to be always confused. Do you know why?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

John asked Jack, "The time right now is 7 pm. Can you tell me what will be the time 23, 999, 995 hours later ?"

While Bella does not know the answer, do you ?

I’m tall when I’m young, and I’m short when I’m old. What am I?