By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?

A sundial has the fewest moving parts of any timepiece. Which has the most?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

Find the missing number in the sequence below:

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

Which alphabet is a part of our body?