It is always ahead of me yet I can never see it. What is it?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

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?

While handling a project, the landscaper is asked by the owner of the mansion that he wants four trees in front of his mansion that are exactly equidistant from each other.

How will he do it?

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?

People put me on the table and cut me but do not eat me. What am I?

Different lights make me strange by changing me into different sizes. What am I?

There are seven sisters in a house in a village where there is no electricity or any gadget.

Sister-1: Reading Novel
Sister-2: Cooking
Sister-3: Playing Chess
Sister-4: Playing Sudoku
Sister-5: Washing clothes
Sister-6: Gardening

what is Sister-7 doing ?

I have no life, but I can die. What am I?