Can you decipher the two rows to find the hidden word?

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

What is the next number in this series?

4,12,84,3612....

Whats the next number in the below number sequence pattern.

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

It begins where the time ends.
Its second is an expression of surprise.
Its third is a question.
Its fourth is urinate.
It ends with a drink.

Which country it is?

What does this rebus mean?

O
N
C
E
TIME

A sundial has the fewest moving parts of any timepiece. Which has the most?

What does this rebus riddle means ?

A high school has a strange principal. On the first day, he has his students perform an odd opening day ceremony:

There are one thousand lockers and one thousand students in the school. The principal asks the first student to go to every locker and open it. Then he has the second student go to every second locker and close it. The third goes to every third locker and, if it is closed, he opens it, and if it is open, he closes it. The fourth student does this to every fourth locker, and so on. After the process is completed with the thousandth student, how many lockers are open?