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

Find the value of "a" by solving the maths equation in the picture below:

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

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

John was drowned by he was not wet. How?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

A man is found dead with a knife in his back When the investigation is done. A chair lays beside him and the forensic team finds moisture around the body.

If he committed suicide, how did he do it?

Something Extraordinary happened on May 6th 19778 at 12:34am what was that?

Replace the alphabet with the number such that the below equation holds.

HAPPY
+ DIWALI
--------------
HDLALA
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If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?