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

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

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

What can go through glass without breaking it?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

There is a basket full of hats. Three are white and two are black. Three men, Tom, Tim, and Jim, each take a hat out of the basket and put it on their heads without seeing the hat they selected or the hats the other men selected. The men arrange themselves so Tom can see Tim and Jim’s hats, Tim can see Jim’s hat, and Jim can’t see anyone’s hat. Tom is asked what color his hat is and he says he doesn’t know. Tim is asked the same question, and he also doesn’t know. Finally, Jim is asked the question, and he does know. What colour is his hat?

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

When can we add 2 to 11 and get 1 as the correct answer?

While house hunting in London, I came across a very good leasehold property Discussing the lease the landlady told me:

'The property was originally on a 99 years lease and two-thirds of the time passed is equal to four-fifths of the time to come. Now work it out for yourself and see how many years are to go!