What occurs twice in a week, once in a year but never in a day?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

I taste better than I can smell. Who am I?

What can you deduce from the following BrainBat?

CRY
LMKI

A Shopkeeper sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and half the chicken more.

Can you find out how many chicken were sold by the shopkeeper on that day if we tell you that the fourth customer bought a single chicken ?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

Eight of us go fourth, not back, to protect our king from an attack. What are we?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

I look flat, but I am deep. Hidden realms I shelter. Lives I take, but the food I offer. At times I am beautiful. I can be calm, angry, and turbulent. I have no heart but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?