Complete the following series. It.s very logical:

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

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

I look at you, you look at me, I raise my right, you raise your left. What am I?

An inspection by the superintendent of St. Joseph School was scheduled on the next day. The class teacher Jenifer knew that he would be asking questions from her class and she would have to choose a pupil to answer. To offer a perfect impression over him, the teacher explained certain instructions to the students to maximise the chances of getting correct answer every time.

What did she say to the students?

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

What will you call your mother's brother's brother-in-law?

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?