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

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

In the image below, can you find the value of an angle(y)

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

A newspaper is supposed to have 60 pages, but pages 24 and 41 are missing.
Which other pages won't be there?

Can you spot the man between the coffee bean in the picture below ?

Pronounced as 1 letter, And written with 3, 2 letters there are, and 2 only in me. I’m double, I’m single, I’m black blue and grey, I’m read from both ends, and the same either way. What am I?

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.