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

In the image below, can you find the value of an angle(y)

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

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

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

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

It is a 5 letter word if you take away first letter it is something you get from sun, if you remove second letter you will get something to eat, if you remove third letter you get a word you use in pointing at and if you remove the fourth letter you get something to drink. What is it?

John was drowned by he was not wet. How?

Can you replace the question mark with the correct number in the below table sequence?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

Count the number of lines in the image below ?