How many triangles are there on the puzzle 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?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den

If eleven plus two equals one, what does nine plus five equal?

What Time Should the last watch show in the below figure?

What is at the end of a rainbow?

Identify the 10 differences between the two given pictures.

Complete the table series riddle by finding the number that can replace "??".

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?