What does this rebus means ?

PROG WORKRESS

Where do you go to learn how to make ice cream?

A B C D E F G H

These are the letters given to you. Now you have to find out the letter that comes two to the right of the letter which is immediately to the left of the letter that comes three to the right of the letter that comes midway between the letter two to the left of the letter C and the letter immediately to the right of the letter F.

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

You have to fill the below given grid in a manner that every row and column contains the digits 1 to 6. Also, make sure that the squares that are connected with each other must contains the same digit.

Can you find out which options fits best with the missing column?

When we see 2 but call 10?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

What does this rebus mean?

O
N
C
E
TIME