A new medical building containing 100...

Riddle: A woman in California owns a pear tree. This tree is beautiful and has been growing for 50 years on her land. Because the tree produces so well, a local grocery store buys fruit from her. The woman knows that there are 20 branches on the tree. Each branch has exactly 10 boughs. Each bough has 8 twigs. If each twig can grow one piece of fruit, then how many plums will the woman deliver to the local grocery store?

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Answer: None. The woman owns a pear tree, not a plum tree.

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Riddle: A lily pad is growing in a small pond. Every day, it doubles in size. On the 20th day, the lily pad covers the entire pond. Which day was the lily pad only half the size of the pond?

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Answer: The 19th day

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Riddle: A car's odometer shows 72927 miles, a palindromic number. What are the minimum miles you would need to travel to form another?

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Answer: 110 miles. (73037)

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Riddle: A clock chimes 5 times in 4 seconds. How many times will it chime in 10 seconds?

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Answer: 11 times. It chimes at zero and then once every second for 10 seconds

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Riddle: Three guests check into a hotel room. The manager says the bill is $30, so each guest pays $10. Later the manager realizes the bill should only have been $25. To rectify this, he gives the bellhop $5 as five one-dollar bills to return to the guests. The bellhop realizes that he cannot equally divide the five one-dollar bills among the three guests, so he just gives each guest $1 back and keeps $2 as a tip for himself. As each guest got $1 back, each guest only paid $9, bringing the total paid to $27. The bellhop kept $2, which when added to the $27, comes to $29. So if the guests originally handed over $30, what happened to the remaining $1?

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Answer: The $27 paid already includes the bellhop's tip, so $27 + 3x$1 in hand makes $30.

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Riddle: A certain number has three digits. The sum of the three digits equals 36 times this number. Seven times the left digit plus 9 is equal to 5 times the sum of the two other digits. 8 times the second digit minus 9 is equal to the sum of the first and third. What is the number?

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Answer: This one is fairly easy - 324 is the answer

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