What does this rebus means ?

PROG WORKRESS

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

I purchased an awesome ice cream cone having 5 different flavour scoops.
Five flavours are pistachio, mint-chip, strawberry, marshmallow, and raspberry

I will give u some clues so that you can figure out the order of flavours from bottom to top.
1. The bottom flavour of the cone has 10 letters.
2. The marshmallow scoop is between the pistachio and the mint-chip scoop.
3. marshmallow is the raspberry scoop but below the mint-chip scoop.

So can you figure out the flavour of ice cream in order from bottom to top?

How can you make number one disappear by adding something to it?

What does the below mathematical rebus mean?

Can you count the number of triangles in the picture below?

1 rabbit saw 9 elephants while going to the river. Every elephant saw 3 monkeys going toward the river. Each monkey had 1 parrot in each hand. How many animals are going towards the river?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

What does below chemistry rebus means?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?