• ### If a hen and a half lay one half of an egg in two days and a half, how many eggs does a hen lay in a month?

1 answer · Mathematics · 5 years ago
• ### Solve this if you are a Genius?

2 answers · Mathematics · 5 years ago
• ### Anna and Bill roll a six-sided die. What is the ratio of Anna's and Bill chances?

Anna and Bill roll a six-sided die. The first person to roll a six wins. Anna rolls first, then Bill rolls the die. If nobody wins, they change the order: Bill starts first and so on.
Anna and Bill roll a six-sided die. The first person to roll a six wins. Anna rolls first, then Bill rolls the die. If nobody wins, they change the order: Bill starts first and so on.
4 answers · Mathematics · 5 years ago
• ### What is the average of the greater of three random numbers from 0 to 1?

3 answers · Mathematics · 5 years ago
• ### How many men are there in a village with 8 people and 8 coconuts?

Each man eats two coconuts, each woman eats a half, and each child eats a quarter. They ate all coconuts.
Each man eats two coconuts, each woman eats a half, and each child eats a quarter. They ate all coconuts.
3 answers · Mathematics · 5 years ago
• ### What is his probability of winning in a lottery?

John must match three different numbers chosen from the integers 1 through 50 in any order to win a lottery. John bought 500 tickets, each with a unique combination of numbers. What is the probability of winning?
John must match three different numbers chosen from the integers 1 through 50 in any order to win a lottery. John bought 500 tickets, each with a unique combination of numbers. What is the probability of winning?
2 answers · Mathematics · 5 years ago
• ### What is the probability that three 10-minute random calls don't overlap in a period of 1 hour?

Dan is expecting three important 10-minute phone calls today at a randomly selected time from 2:00 p.m. to 3:00 p.m.
Dan is expecting three important 10-minute phone calls today at a randomly selected time from 2:00 p.m. to 3:00 p.m.
2 answers · Mathematics · 5 years ago
• ### What is the probability that I will not be able to answer one of two calls?

I am expecting two important 6-minute phone calls today at a randomly selected time from 2:00 p.m. to 6:00 p.m. What is the probability that I will not be able to answer one of the call?
I am expecting two important 6-minute phone calls today at a randomly selected time from 2:00 p.m. to 6:00 p.m. What is the probability that I will not be able to answer one of the call?
1 answer · Mathematics · 5 years ago
• ### What is the largest number of intersections of 11 lines?

1 answer · Mathematics · 5 years ago
• ### I am playing Russian roulette. Would I rather fire the gun again or respin the chamber for second shot?

I am playing Russian roulette. I randomly spun the chamber and fired but nothing was fired. Would I rather fire the gun again or respin the chamber and then fire? Why?
I am playing Russian roulette. I randomly spun the chamber and fired but nothing was fired. Would I rather fire the gun again or respin the chamber and then fire? Why?
1 answer · Mathematics · 5 years ago
• ### Connect N points on the circumference of a circle. What is the largest number of intersection for the chords?

2 answers · Mathematics · 5 years ago
• ### What is the smallest number divisible by 225 that consists of 1's and 0?

4 answers · Mathematics · 5 years ago
• ### What is the average of the smaller of N random numbers from 0 to 1?

the average of the smaller of 2 random numbers from 0 to 1 is 1/3; the average of the smaller of 3 random numbers from 0 to 1 is 1/4; http://www.aplusclick.com/t.htm?q=1830
the average of the smaller of 2 random numbers from 0 to 1 is 1/3; the average of the smaller of 3 random numbers from 0 to 1 is 1/4; http://www.aplusclick.com/t.htm?q=1830
3 answers · Mathematics · 5 years ago
• ### The Legend of Carthage: What shape covers the greatest area?

The Legend of Carthage: Queen Dido and her followers arrived in North Africa. The locals told them that they could have the coastal area that an ox hide would cover. She cut the hide into a series of thin strips, jointed them together, and formed a coastal shape. The ox-hide enclosed area was known as Carthage. If you had a 10 miles long... show more
The Legend of Carthage: Queen Dido and her followers arrived in North Africa. The locals told them that they could have the coastal area that an ox hide would cover. She cut the hide into a series of thin strips, jointed them together, and formed a coastal shape. The ox-hide enclosed area was known as Carthage. If you had a 10 miles long strip, which shape would you choose to maximize the enclosed area? Suppose that the coast is a round peninsula with the radius of 10 miles.
1 answer · Mathematics · 5 years ago
• ### How many times will the digits of a digital clock be in strictly increasing order?

2 answers · Mathematics · 5 years ago
• ### What is your strategy to find your car along a very long street if you donâ€™t remember the parking place?

Suppose that the probability is normal distribution with known standard deviation sigma S.
Suppose that the probability is normal distribution with known standard deviation sigma S.
1 answer · Mathematics · 6 years ago
• ### Can you guestimate the number of cubes in a pyramid with a height of 300 cubes?

1 answer · Mathematics · 6 years ago
• ### What is the probability that none of eight bugs meet another?

Eight bugs are at the eight corners of an equilateral cube. Each bug randomly picks a direction and moves along the edge of the cube till the next corner. What is the probability that none of the bugs meet another?
Eight bugs are at the eight corners of an equilateral cube. Each bug randomly picks a direction and moves along the edge of the cube till the next corner. What is the probability that none of the bugs meet another?
3 answers · Mathematics · 6 years ago
• ### How many apples at equal distances from each other can I have?

1 answer · Mathematics · 6 years ago
• ### 80% of IT project fail, 20% of managers are female. How many male managers succeed?

4 answers · Mathematics · 6 years ago