1. The following number is the only one of its kind. Can you figure out what is so special about it? 8,549,176,320

2. Insert the missing letter:
J ? M A M J J A
Solution

What Number?

1. What is the five-digit number, no zeroes, in which the second digit is three times the first, the third is one more than the second, the fourth is four times the first, and the last is one-half more than the second?

2. A 3 digit number is such that its unit digit is equal to the product of the other two digits which are prime. Also, the difference between its reverse and itself is 396. What is the sum of the three digits?
Solution

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If it takes Alicia 3 hours to paint a fence, and it takes Mark 6 hours to complete the same job. How long would it take both of them working together at their normal paces to complete the same job?
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The old lady who lived in a shoe was having some real trouble buying Christmas presents for her enormous family. Although she bought the least expensive stocking stuffers she could find, the bill was high. Of course, both a 15 percent sales tax and a 5 percent luxury tax were added to the original price. She paid a total of $100. What was the cost of the stuffers before taxes?
Solution

Three Points on a Hemisphere
Three points are selected at random on a sphere's surface. What is the probability that they all lie in the same hemisphere? Assume that the great circle, bordering a hemisphere, is part of the hemisphere.
Solution

In order to win a free laptop computer, students had to guess the exact numbers of gumballs in a jar. The students guessed 45, 41, 55, 50, and 43, but nobody won. The guesses were off by 3, 7, 5, 7, and 2 (given in no particular order). From this information, can you determine the number of gumballs in the jar?
Solution

A man gave one son 10 cents and another son was given 15 cents. What time is it?
Solution

Although I exist alone, I am often intertwined with others as
the threads of a spider web. When worn there's an expression
that signifies you shall not leave me. A man with a name meaning
knowledgeable one once said that I am part of a set of four and
that I have less than ten folds.
Solution

A 30 year old man married a 25 year old woman. She died at age 50 and her husband was so devastated that he cried for years. Ten years after he stopped crying, he died. If he had lived to be 80, how many years was he a widower?
Solution

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If it takes Alicia 3 hours to paint a fence, and it takes Mark 6 hours to complete the same job. How long would it take both of them working together at their normal paces to complete the same job?
Click Here To Submit Solution

George makes the following proposition to Mike:
"I will let you flip a coin 20 times. Each time the coin lands on heads, I will give you $2.00. However, each time the coin lands on tails, you must give me $3.00." Mike flips the coin 20 times and the end result is that no money is to change hands. How many times did the coin land on heads?
Solution

I am periodically the number 79.
Long ago some attempted to make me from 29 but learned it couldn’t be done. If you add me to 80 I appear to be 47 temporarily.
What am I?
Solution

Without looking at a calendar, within a minute name a boys name using 5 consecutive 1st letters of 5 consecutive months.
Solution

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If it takes Alicia 3 hours to paint a fence, and it takes Mark 6 hours to complete the same job. How long would it take both of them working together at their normal paces to complete the same job?
Click Here To Submit Solution
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Submitted: Right Solutions 292 / Wrong Solutions 338 / Winning Number 199
Last Month's Solution---Four. The four fathers could be grandfathers and are definitely sons already.
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