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

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

Replace the question mark in the picture below.

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

What is at the end of a rainbow?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

Chef Andrea has to light the kitchen stoves to open her restaurant for the day. There are three stoves in the kitchen: A glass stove, a brick stove, and a wood stove. She only has one match. Which does she light up first?

There is a place where if I stand up straight, I will still be considered sideways.

There was once a troop of 5 elves. The 5 elves were very dedicated on finding the magical treasure of 1000 coins. However, being elves, they were super geniuses, very greedy and they did not hesitate in taking lives of other elves. The 5 elves were named Aye, Bee, Cee, Dee and Ee, ranked from high to low respectively, from Aye to Ee. One fine day, their efforts brought results and they found 1000 coins. Now they had to split it in between them as per their ranks. The lowest ranked elf has to make the proposal. If the proposal is accepted by majority, it is agreed, or the suggesting elf is killed.

What proposal should elf Ee make ?

Complete the table series riddle by finding the number that can replace "??".