Recent Riddles & Brain Teasers

Prove that the below maths equation is true.

8 + 8 = 91

My location can be determined by the below rebus.
So where am i ?

Which five letter word can be added at the end of below word to form a
valid word?

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There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

What does below pictogram mean?

Two prisoners Jack and Jill are locked in a cell.
There is open window approx 40 feet above the ground of the cell.
They are never able to reach there.

Then they plan to escape by a tunnel and they start digging out.
After digging for more than 20 days, Jill comes with the different plan and they escaped.

what was the plan ?

Queen Elizabeth organised a royal party.

To Avoid uninvited guest royal family set a password.
Jack (an uninvited person) plan to enter the party. He stand nearby the door.

First guest comes, the security person said 'twelve' and guest replied with six.
Second guest comes , the security person said 'six' and guest replied with 'three'.

Jack thought is enough and he walked to the entry point. The security person said 'eight' , Jack replied smilingly 'four'.
He was immediately thrown out of the party. why ?

Which wheel of car does not rotate when you turn your car right?

10+10 and 11+11 can give you the same answer.

Explain how?