What is always in front of you but can’t be seen?

At a Society election for president, precisely 963 votes were cast.
There is a total of 4 candidates that participate in the election.

The winning candidate exceeds the opponents by 53, 79 and 105 votes.

How many votes do each candidate gets?

What is the fastest way to double your money?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

Imagine you are in a room with no windows or doors. How will you get out?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?