Which is heavier: a ton of bricks or a ton of feathers?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

A man is lying dead in a field where no one is around. His head is split open and his legs are disfigured. Near to him, there is an unopened package. No living organism can be found anywhere at the crime scene.

How did he die?

Kareena is older than Katrina and younger than Karishma. Isabelle is younger than Bipasha and Karishma. Bipasha is older than Karishma. If Kareena and Isabelle are the same age, who's the youngest?

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

Can you solve below mathematical equation?

2^1234 - 2^1233

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

Find the combined weight of the Cat, Dog and Rabbit in the given picture.