Challenge - Answer of these puzzles - Let see who will give how many correct answers

Challenge - Answer these puzzles - Let see who will give how many correct answers
 

Here is a quiz that is likely to tie you up in mental knots.   Afterwards you can  repair your shattered ego by trying some of these teasers on your friends. Read every word carefully. 1. If 3 cats can kill 3 rats in 3 minutes, how long will it take for 100 cats to kill 100 rats?? 2. A little Indian and a big Indian are walking down a path.  The little Indian is the big Indian's son. The big Indian is not the little Indian's father.  Who is it? 3. Which is correct:  8 and 8 are 15, or 8 and 8 is 15? 4. A monkey is at the bottom of a 30-foot well. Each day he jumps up three feet and  slips back two.  At that rate, when will the monkey reach the top of the well?? 5. Take two apples from three apples and what have you got? 6. A shepherd had 17 sheep.  All but nine died.  How many did he  have left?? 7. What is the smallest number of ducks that could swim in  this formation:  two ducks in front of a duck, two ducks behind a duck , and a duck between two ducks? 8. A boat will carry only 200 pounds. How may a man weighing 200  pounds and his  two sons, each weighing 100  pounds, use it to cross a river?   9. The archaeologist who said he found a silver coin marked 649 B.C. was either lying or kidding.  Why??