Less vs. Fewer

Answers

1. There are fewer students in the class.
2. I have less money than her.
3. His new film is less interesting than his last one.
4. Spend less on useless things.
5. I have fewer friends than him.
6. I spent less time on the first task than the second one.
7. He scored fewer runs than me.
8. There are fewer apples on the tree this year.
9. The task was less difficult than I thought.
10. If you make fewer mistakes, you will get more marks.
11. He eats less than a bird.
12. I invited fewer people this time.