Math Riddles

Question: Bobby's teacher gave him a math quiz. Every time he got an answer right, points would be taken away, so whoever had the most points, got the most questions wrong. Bobby's score was the highest, yet he still got the most questions correct out of the class. How is this possible?

Question: You need a room for your group. Each person needs 5 square feet of space. You have 25 people in your group, what is the smallest room you can use?

Question: can you make an equation by using only the no.-4,4,4,4 whose answer will be 20.

Question: Name 4 ways to calculate 1+1.

Question: TWO THEIFS HAD ROBED GOLD COINS IN ONE HOUSE...! THEY WANT 2 SHARE EQUALLY...! BUT ONE WAS LEFT...! SO THEY ADDED ANOTHER PERSON NOW 3 SHARED AGAIN ONE COIN WAS REMAINING...! 4,5,6..! AT LAST 7MEMBERS SHARED EQUALLY...! THAT MEANS HOW MANY COINS THEY ROBBED...?;-)