Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Prove that the below maths equation is true.

8 + 8 = 91

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

I inserted a coin in a bottle and closed its mouth with the help of a cork. Now, I was able to take the coin out from the bottle without taking out the cork or breaking the bottle. Can you tell me how I did it?

What is next number in the pattern below:

131 517 192 123 ?

A man escapes from jail using help from his girlfriend. The investigators suspect four girls of being the man's girlfriend.

Out of those four girls, one is his girlfriend who is lying. Two of the girls are completely innocent and are speaking the truth. One of the girls is the man's sister who is helping the girlfriend lie. Following are the statements from all four of them:

Ariana: "Myrna is his girlfriend."
Jane: "Angelina is lying."
Angelina: "Ariana is lying."
Myrna: "Jane is not his sister."

Can you find out who is the man's sister among them?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

What Time Should the last watch show in the below figure?

0 0 0 = 6
1 1 1 = 6
2 2 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

You can use any mathematical symbols in the space provided to make all above algebraic expressions true.

What is the next shape from answers A, B, C, and D figure?