What does below rebus means ?

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

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

Replace the question mark with the correct number.

What always comes into a house through the keyhole?

Out of three Friends John, Jacob and Jonny one of them is a king, one is a bureaucrat, and one is a Spy.

The king always tells the truth, the bureaucrat always lies, and the Spy can either lie or tell the truth.

John says: Jonny is a bureaucrat
Jacob says: John is a king
Jonny says: I am a Spy

Tell me, Who is the king, who is the bureaucrat, and who is the Spy?

What is the last thing you take off before bed?

What does below Rebus mean ?

esgg sgeg gegs gsge

I am working in a bus company. The company recently went under expansion and therefore there was not enough room for all the buses. As a result, twelve buses had to be stored outside.

If the company decides to expand the garage space by forty percent, enough space to accommodate the current buses will be created leaving enough space for twelve more buses if the need arises in future.

Can you calculate the number of buses that the company owns at present?

What does this rebus mean?

O
N
C
E
TIME

Find the combined weight of the Cat, Dog and Rabbit in the given picture.