Out of four images which one is the odd one out?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

A man is found hanging dead from the ceiling of a room. The room’s dimensions are 15 x 15 x 15. The man is only 6ft tall and the rope was only 2ft long. There are no windows and only one door to the room. The door is bolted shut from the inside, and a puddle of water is under the man. How did he kill himself?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

Today is John's birthday.
A year ago, John had five candles and he lit all the candles except the one at the last.
Now he is going to light all the candles.

How old is John Today?

(He is not five today.....)

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different.

Can you guess what the question was?

Can you decipher the below rebus?

PBLUESAISNUERSES

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?