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

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

Which is the correct shadow of the bird?

How many letters are in the alphabet?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

Using eight eights and addition only, can you make 1000?

what does the below rebus means?

I am 5 letters long.
My first two tell you who I am
My first 3 could be a medicine
My last three reversed could be a young boy.
My 4th, 3rd and 2nd in that order could be a fruit drink.
If you have me you may hang me round your neck
WHAT AM I ?

What does the below image rebus riddle means ?

A mother bought three dress for her triplets daughters(one for each) and put the dresses in the dark. One by one the girls come and pick a dress.
What is the probability that no girl will choose her own dress?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?