Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

What is the longest word in the dictionary?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

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 ?

A father's child, a mother's child, yet no one's son.

Who am I?

I’m tall when I’m young, and I’m short when I’m old. What am I?

What can jump higher than a building?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

If a wheel has 54 spokes, how many spaces are there between the spokes?

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.