1. HARD

What is 3+3+3+3+1+1+1+1+5+5+5+5?

  1. 36
  2. 31
  3. 22
  4. 53
  5. 37
 
2. HARD

Which one of the following equals to 2+4+6+8+...+100 ?

  1. 5050
  2. 2550
  3. 2500
  4. 1275
  5. 1020
 
3. HARD

A really long time ago, this really mean teacher asked this super cool math kid named Gauss what the value of 1+2+3+4+5+...+98+99+100 was. But since Gauss was so cool he got it. Can you do it too? [ HINT: Gauss rearranged the numbers like so: (1+100)+(2+99)+(3+98)+... ]