Why is the Hole below a Lock?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

I cannot talk, but I always reply when spoken to. What am I?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

The king of Octopuses has servants who have six, seven or eight legs. The distinguishing characteristics of the servants is that the one with seven legs always lie but the one with either six or eight legs speak the truth always.

One day, four servants meet and converse:

The black one says, 'We have 28 legs altogether.'

The green one says, 'We have 27 legs altogether.'

The yellow one says, 'We have 26 legs altogether.'

The red one says, 'We have 25 legs altogether.'


Can you identify the colour of the servant who is speaking the truth?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

I am written with two letters.
I said with the one.
I usually am seen with the two.

Who am I?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?