This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

What kind of tree can you carry in your hand?

What breaks yet never falls, and what falls yet never breaks?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

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 man was going to bleach his socks because they had gotten muddy the day before. As he was pouring the bleach into the washing machine, he spilt some on the floor. He got some cleaning fluid and mopped it up with a rag. Minutes later he was dead. What killed him?

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?