Can you find the thief by just looking at the picture below?

I know a nine-letter word having only one vowel.
Do you ?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

John and his team plan to rob a safe. They got just one chance to break the code else the local police will be informed. Below are clues:
A) Exactly one number is perfectly placed: 9 8 1
B) Everything is incorrect: 9 2 4
C) Two numbers are part of the code of the safe but are wrongly placed: 0 9 3
D) One number is part of the code of the safe but is wrongly placed: 1 4 7
E) One number is part of the code of the safe but is wrongly placed: 7 8 3

Can you decipher the two rows to find the hidden word?

A couple went to a hill station to enjoy their vacation. They have 12 sons, and each has a wife who has 3 sons further.

How many people went to the hill station?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

What will you call your mother's brother's brother-in-law?

what does the below math rebus puzzle mean?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?