Intelligence test!! Are you smart enough to get them all right?
By timoboll
@timoboll (80)
New Zealand
June 19, 2008 3:48am CST
These are in order of easiest to hardest:
1) What volume of dirt is there in a hole that measures 1m by 1m by 1m?
2)In a race, if I overtake the person currently coming second, what place am I?
3)I throw a ball as hard as I can, and without touching anything, the ball always comes back to me. How is this possible?
4)Hard Question: I have six coins. One of them is a fake. I don't know if the fake is heavier or lighter than real coins. Using a scale (the type with two sides and a pivot in the middle) only 3 times, how do you determine which coin is the fake?
1 response
@jban0811 (98)
• Australia
20 Jun 08
These are the answers.
1) 1m^3
2) You will be coming second since you overtake the person coming second. Video on you tube clearly shows that Americans are the only people who think you will be coming first.
3) When you throw the ball up, as long as it's not affected by anything else like wind, the ball should come back straight down to you by the pull of gravity.
4) First you put 2 coins on each side of the scale. If they are balanced you'll know that one of the two left is a fake. Then you take 2 coins from the coins that's already been weighted and take 2 coins from coins that haven't been weighted. Depending on which side turn out to be heavier, you can determine if the fake coin is heavier or lighter than the real coin. Then you take 2 coins that contains a fake one and then put one on either side of the scale to figure out which coin is lighter/heavier.
If first pile is not balanced you know one of the pile must contain a fake coin. You weigh 1 coin from one side and the 1 coin from other side. If it's balanced you weigh one of the two coins left with one of the coin that's been weighed.. If this balances, one left is fake, if it doesn't the one that's just been put on to be balanced is the fake one.
If 1 coin from each side does not balance take one coin out and put other one in. If it's balanced, the one taken out is fake, if it doesn't the one that stayed there is fake.
