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

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

By using all numbers, i.e. 123456789 and subtraction/addition, operators number 100 can be formed in many ways.
Example: 98 + 7 + 6 - 5 - 4 - 3 + 2 - 1 = 100

But if we add a condition use of the number 32 is a must. Then there are limited solutions.
One of such solution is: 9 - 8 + 76 + 54 - 32 + 1 = 100

Can you tell me any other solution?

Find the missing number in the image below.

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?