Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

Identify The phrase in the picture.

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

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?

John can eat 27 chocolates in an hour, Jacob can eat 2 chocolates in 10 minutes, and Jolly can eat 7 chocolates in 20 minutes. How long will it take them to share and eat a box of 120 chocolates whilst playing Chess?

Jigsaw captured 100 people and make them stand in a circle and all these people are labelled as Person1, Person2, Person3... Person100. He made them play a crazy game in which Person 1 shot Person 2 and pass the gun to the next person and so on until one stands alive.

Which person will survive in the end?

Prove that the below maths equation is true.

8 + 8 = 91

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.